“Acids Made Easy: Important Questions & Answers for Exams”

   

ACIDS  


Acids Important Questions & Answers | GK & Science

 Complete revision material on Acids

Covering types of acids, sources, uses, discoveries, daily life examples & exam-important facts.

✅ Useful for SSC | PSC | SCERT | School Exams | Competitive Exams

✅ Simple language – easy to remember

✅ One-liner Q&A format

✅ Perfect for last-minute revision

 Topics covered:

Different types of acids

Acids found in fruits, food & human body

Uses of acids in daily life & industry

Scientists who discovered acids

Common exam questions & answers

*"Illustration of three colorful laboratory flasks – a yellow round-bottom flask, a green graduated cylinder, and a red Erlenmeyer flask with pink steam, surrounded by decorative dots and lines."*



1️⃣ What is an acid?

Answer: An acid is a substance that produces H⁺ (hydrogen ions) when dissolved in water.

2️⃣ Who first defined acids scientifically?

Answer: Svante Arrhenius (1884)

3️⃣ What are Arrhenius acids?

Answer: Acids that release H⁺ ions in aqueous solution are called Arrhenius acids.

Discovered by: Svante Arrhenius

4️⃣ Who proposed the Brønsted–Lowry theory of acids?

Answer: Johannes Brønsted and Thomas Lowry (1923)

5️⃣ What is a Brønsted–Lowry acid?

Answer: A substance that donates a proton (H⁺).

6️⃣ Who introduced the Lewis acid concept?

Answer: G. N. Lewis (1923)

7️⃣ What is a Lewis acid?

Answer: A substance that accepts an electron pair.

8️⃣ Who discovered organic acids?

Answer: Antoine Lavoisier (18th century)

9️⃣ What are organic acids?

Answer: Acids obtained from plants and animals, usually containing carbon.

🔟 Who discovered mineral acids?

Answer: Jabir Ibn Hayyan (Geber)

1️⃣1️⃣ What are mineral acids?

Answer: Acids derived from inorganic minerals.

1️⃣2️⃣ Who discovered Hydrochloric Acid (HCl)?

Answer: Jabir Ibn Hayyan

1️⃣3️⃣ Who discovered Sulphuric Acid (H₂SO₄)?

Answer: Jabir Ibn Hayyan

1️⃣4️⃣ Who discovered Nitric Acid (HNO₃)?

Answer: Jabir Ibn Hayyan

1️⃣5️⃣ Who discovered Acetic Acid?

Answer: Louis Pasteur (studied fermentation)

1️⃣6️⃣ What are strong acids?

Answer: Acids that completely ionize in water.

1️⃣7️⃣ What are weak acids?

Answer: Acids that partially ionize in water.

1️⃣8️⃣ Who explained acid strength scientifically?

Answer: Svante Arrhenius

1️⃣9️⃣ Who developed the modern acid–base theory?

Answer: Brønsted and Lowry

2️⃣0️⃣ Which scientist linked acids with electron transfer?

Answer: G. N. Lewis

2️⃣1️⃣ Who is called the Father of Modern Chemistry?

Answer: Antoine Lavoisier

2️⃣2️⃣ Which scientist classified acids based on hydrogen?

Answer: Svante Arrhenius

2️⃣3️⃣ Which acid theory works without water?

Answer: Brønsted–Lowry theory

2️⃣4️⃣ Which acid theory involves electrons?

Answer: Lewis acid–base theory

2️⃣5️⃣ Who introduced the concept of pH related to acids?

Answer: Søren P. L. Sørensen

2️⃣6️⃣ What is a monoprotic acid?

Answer: An acid that donates one proton (H⁺).

Example: HCl

2️⃣7️⃣ What is a diprotic acid?

Answer: An acid that donates two protons.

Example: H₂SO₄

2️⃣8️⃣ What is a triprotic acid?

Answer: An acid that donates three protons.

Example: H₃PO₄

2️⃣9️⃣ Who discovered Phosphoric Acid?

Answer: Hennig Brand

3️⃣0️⃣ Who discovered Citric Acid?

Answer: Carl Wilhelm Scheele

3️⃣1️⃣ Who discovered Lactic Acid?

Answer: Carl Wilhelm Scheele

3️⃣2️⃣ Who discovered Tartaric Acid?

Answer: Carl Wilhelm Scheele

3️⃣3️⃣ Who discovered Formic Acid?

Answer: John Ray

3️⃣4️⃣ What are oxyacids?

Answer: Acids that contain oxygen.

Example: H₂SO₄, HNO₃

3️⃣5️⃣ What are hydracids?

Answer: Acids that do not contain oxygen.

Example: HCl, HBr

3️⃣6️⃣ Who discovered Boric Acid?

Answer: Wilhelm Homberg

3️⃣7️⃣ Which acid is known as “Oil of Vitriol”?

Answer: Sulphuric Acid

3️⃣8️⃣ Who discovered Carbonic Acid?

Answer: Joseph Black

3️⃣9️⃣ What are binary acids?

Answer: Acids composed of two elements.

4️⃣0️⃣ What are ternary acids?

Answer: Acids composed of three elements.

4️⃣1️⃣ Which acid theory is the most general?

Answer: Lewis acid–base theory

4️⃣2️⃣ Who discovered Oxalic Acid?

Answer: Friedrich Wöhler

4️⃣3️⃣ Which acid is present in vinegar?

Answer: Acetic Acid

4️⃣4️⃣ Which acid is present in ant sting?

Answer: Formic Acid

4️⃣5️⃣ Which acid is present in curd?

Answer: Lactic Acid

4️⃣6️⃣ Which acid is present in citrus fruits?

Answer: Citric Acid

4️⃣7️⃣ Which acid is present in grapes?

Answer: Tartaric Acid

4️⃣8️⃣ Which acid is present in stomach?

Answer: Hydrochloric Acid

4️⃣9️⃣ Who discovered Hydrofluoric Acid?

Answer: Carl Wilhelm Scheele

5️⃣0️⃣ Which acid is called the “King of Chemicals”?

Answer: Sulphuric Acid

5️⃣1️⃣ Who gave the first modern definition of acids?

Answer: Svante Arrhenius

5️⃣2️⃣ In which year was the Arrhenius acid theory proposed?

Answer: 1884

5️⃣3️⃣ In which year was the Brønsted–Lowry theory proposed?

Answer: 1923

5️⃣4️⃣ In which year was the Lewis acid–base theory proposed?

Answer: 1923

5️⃣5️⃣ Which acid theory applies to non-aqueous solutions?

Answer: Lewis acid–base theory

5️⃣6️⃣ Who discovered Ascorbic Acid?

Answer: Albert Szent-Györgyi

5️⃣7️⃣ What is Ascorbic Acid commonly known as?

Answer: Vitamin C

5️⃣8️⃣ Which acid is present in tamarind?

Answer: Tartaric Acid

5️⃣9️⃣ Which acid is present in tomato?

Answer: Oxalic Acid

6️⃣0️⃣ Which acid is present in tea?

Answer: Tannic Acid

6️⃣1️⃣ Who discovered Uric Acid?

Answer: Carl Wilhelm Scheele

6️⃣2️⃣ Which acid is present in urine?

Answer: Uric Acid

6️⃣3️⃣ Which acid is used in car batteries?

Answer: Sulphuric Acid

6️⃣4️⃣ Who discovered Sulphurous Acid?

Answer: Joseph Priestley

6️⃣5️⃣ What are concentrated acids?

Answer: Acids containing high percentage of acid.

6️⃣6️⃣ What are dilute acids?

Answer: Acids containing more water.

6️⃣7️⃣ What is the pH value of strong acids?

Answer: Less than 3

6️⃣8️⃣ What is the pH value of neutral solution?

Answer: 7

6️⃣9️⃣ Who discovered Hydrocyanic Acid?

Answer: Carl Wilhelm Scheele

7️⃣0️⃣ Which acid is used to preserve food?

Answer: Benzoic Acid

7️⃣1️⃣ Who discovered Benzoic Acid?

Answer: Michel-Eugène Chevreul

7️⃣2️⃣ Which acid causes tooth decay?

Answer: Lactic Acid

7️⃣3️⃣ Which acid is present in soda water?

Answer: Carbonic Acid

7️⃣4️⃣ Who discovered Acetylsalicylic Acid (Aspirin)?

Answer: Felix Hoffmann

7️⃣5️⃣ Which acid is known as “Milk Acid”?

Answer: Lactic Acid

7️⃣6️⃣ Which acid is known as “Ant Acid”?

Answer: Formic Acid

7️⃣7️⃣ Which acid is used in explosives?

Answer: Nitric Acid

7️⃣8️⃣ Who discovered Nitrous Acid?

Answer: Joseph Priestley

7️⃣9️⃣ Which acid is present in spinach?

Answer: Oxalic Acid

8️⃣0️⃣ Which acid is known as “Fruit Acid”?

Answer: Citric Acid

8️⃣1️⃣ Who discovered Hydroiodic Acid?

Answer: Joseph Louis Gay-Lussac

8️⃣2️⃣ Which acid is present in red ants?

Answer: Formic Acid

8️⃣3️⃣ Which acid is present in lemon?

Answer: Citric Acid

8️⃣4️⃣ Who discovered Hydrochloric Acid gas?

Answer: Joseph Priestley

8️⃣5️⃣ Which acid is also called “Muriatic Acid”?

Answer: Hydrochloric Acid

8️⃣6️⃣ Who discovered Hydrofluoric Acid?

Answer: Carl Wilhelm Scheele

8️⃣7️⃣ Which acid reacts with metals to release hydrogen gas?

Answer: Dilute acids

8️⃣8️⃣ Which acid is used in dyeing and textile industries?

Answer: Acetic Acid

8️⃣9️⃣ Which acid is used for cleaning metals?

Answer: Hydrochloric Acid

9️⃣0️⃣ Who discovered Malic Acid?

Answer: Carl Wilhelm Scheele

9️⃣1️⃣ Which acid is present in apples?

Answer: Malic Acid

9️⃣2️⃣ Which acid is used in soft drinks?

Answer: Carbonic Acid

9️⃣3️⃣ Who discovered Picric Acid?

Answer: Peter Woulfe

9️⃣4️⃣ Which acid is used in explosives and fertilizers?

Answer: Nitric Acid

9️⃣5️⃣ Which acid is known as “Vinegar Acid”?

Answer: Acetic Acid

9️⃣6️⃣ Who discovered Salicylic Acid?

Answer: Johann Andreas Buchner

9️⃣7️⃣ Which acid is present in aspirin?

Answer: Acetylsalicylic Acid

9️⃣8️⃣ Which acid is present in tea leaves?

Answer: Tannic Acid

9️⃣9️⃣ Who discovered Tannic Acid?

Answer: Henri Braconnot

🔟0️⃣0️⃣ Which acid is used in the manufacture of fertilizers?

Answer: Sulphuric

1️⃣0️⃣1️⃣ Which acid turns blue litmus red?

Answer: All acids

1️⃣0️⃣2️⃣ Who introduced the concept of indicators for acids?

Answer: Robert Boyle

1️⃣0️⃣3️⃣ Which acid is present in gastric juice?

Answer: Hydrochloric Acid

1️⃣0️⃣4️⃣ Which acid causes sour taste?

Answer: Acids in general

1️⃣0️⃣5️⃣ Which acid is used in pickling?

Answer: Acetic Acid

1️⃣0️⃣6️⃣ What are natural acids?

Answer: Acids found naturally in plants and animals.

1️⃣0️⃣7️⃣ Which acid is present in sour milk?

Answer: Lactic Acid

1️⃣0️⃣8️⃣ Who discovered Citric Acid?

Answer: Carl Wilhelm Scheele

1️⃣0️⃣9️⃣ Which acid is present in bananas?

Answer: Malic Acid

1️⃣1️⃣0️⃣ Which acid is used to remove rust?

Answer: Hydrochloric Acid

1️⃣1️⃣1️⃣ Which acid is known as “Vitriol”?

Answer: Sulphuric Acid

1️⃣1️⃣2️⃣ Which acid is used in leather tanning?

Answer: Tannic Acid

1️⃣1️⃣3️⃣ Who discovered Oxalic Acid?

Answer: Friedrich Wöhler

1️⃣1️⃣4️⃣ Which acid is present in spinach and cabbage?

Answer: Oxalic Acid

1️⃣1️⃣5️⃣ Which acid is present in grapes?

Answer: Tartaric Acid

1️⃣1️⃣6️⃣ Who discovered Tartaric Acid?

Answer: Carl Wilhelm Scheele

1️⃣1️⃣7️⃣ Which acid is used in photography?

Answer: Acetic Acid

1️⃣1️⃣8️⃣ Which acid is used as a preservative?

Answer: Benzoic Acid

1️⃣1️⃣9️⃣ Who discovered Formic Acid?

Answer: John Ray

1️⃣2️⃣0️⃣ Which acid is produced during muscle fatigue?

Answer: Lactic Acid

1️⃣2️⃣1️⃣ Which acid is present in aerated drinks?

Answer: Carbonic Acid

1️⃣2️⃣2️⃣ Who discovered Carbonic Acid?

Answer: Joseph Black

1️⃣2️⃣3️⃣ Which acid is used in the manufacture of dyes?

Answer: Sulphuric Acid

1️⃣2️⃣4️⃣ Which acid reacts violently with water?

Answer: Concentrated Sulphuric Acid

1️⃣2️⃣5️⃣ Which acid is used in fertilizers?

Answer: Nitric Acid

1️⃣2️⃣6️⃣ Who discovered Nitric Acid?

Answer: Jabir Ibn Hayyan

1️⃣2️⃣7️⃣ Which acid is present in urine?

Answer: Uric Acid

1️⃣2️⃣8️⃣ Who discovered Uric Acid?

Answer: Carl Wilhelm Scheele

1️⃣2️⃣9️⃣ Which acid is present in vinegar?

Answer: Acetic Acid

1️⃣3️⃣0️⃣ Which acid is also called “Spirit of Vinegar”?

Answer: Acetic Acid

1️⃣3️⃣1️⃣ Which acid is used in food preservation?

Answer: Benzoic Acid

1️⃣3️⃣2️⃣ Which acid is present in chocolate?

Answer: Oxalic Acid

1️⃣3️⃣3️⃣ Which acid is present in pineapple?

Answer: Citric Acid

1️⃣3️⃣4️⃣ Which acid is present in pears?

Answer: Malic Acid

1️⃣3️⃣5️⃣ Which acid is present in yoghurt?

Answer: Lactic Acid

1️⃣3️⃣6️⃣ Which acid is used to make plastics?

Answer: Sulphuric Acid

1️⃣3️⃣7️⃣ Which acid is used in petroleum refining?

Answer: Sulphuric Acid

1️⃣3️⃣8️⃣ Who discovered Sulphuric Acid in pure form?

Answer: Al-Razi (Rhazes)

1️⃣3️⃣9️⃣ Which acid is known as “King of Chemicals”?

Answer: Sulphuric Acid

1️⃣4️⃣0️⃣ Which acid is used in manufacture of paints?

Answer: Sulphuric Acid

1️⃣4️⃣1️⃣ Which acid is used in electroplating?

Answer: Sulphuric Acid

1️⃣4️⃣2️⃣ Which acid does not contain oxygen?

Answer: Hydrochloric Acid

1️⃣4️⃣3️⃣ Which acids are called hydracids?

Answer: Acids without oxygen

1️⃣4️⃣4️⃣ Which acids are called oxyacids?

Answer: Acids containing oxygen

1️⃣4️⃣5️⃣ Which acid is present in beetroot?

Answer: Oxalic Acid

1️⃣4️⃣6️⃣ Which acid is used to prepare fertilizers like ammonium nitrate?

Answer: Nitric Acid

1️⃣4️⃣7️⃣ Which acid is present in gastric juice of humans?

Answer: Hydrochloric Acid

1️⃣4️⃣8️⃣ Which acid causes corrosion of metals?

Answer: Strong acids

1️⃣4️⃣9️⃣ Which acid is used in cleaning marble floors?

Answer: Hydrochloric Acid

1️⃣5️⃣0️⃣ Which acid reacts with bases to form salt and water?

Answer: All acids (Neutralization reaction)

1️⃣5️⃣1️⃣ Which acid is produced during anaerobic respiration in muscles?

Answer: Lactic Acid

1️⃣5️⃣2️⃣ Which acid is used in the manufacture of detergents?

Answer: Sulphuric Acid

1️⃣5️⃣3️⃣ Which acid is present in sour fruits?

Answer: Citric Acid

1️⃣5️⃣4️⃣ Which acid is present in fermented food?

Answer: Lactic Acid

1️⃣5️⃣5️⃣ Which acid is used as a laboratory reagent?

Answer: Hydrochloric Acid

1️⃣5️⃣6️⃣ Which acid is present in soft cheese?

Answer: Lactic Acid

1️⃣5️⃣7️⃣ Which acid is present in fizzy drinks?

Answer: Carbonic Acid

1️⃣5️⃣8️⃣ Which acid is used to test carbonates?

Answer: Hydrochloric Acid

1️⃣5️⃣9️⃣ Which acid was studied extensively by Carl Wilhelm Scheele?

Answer: Organic acids

1️⃣6️⃣0️⃣ Which acid is commonly used in school laboratories?

Answer: Dilute Hydrochloric Acid

1️⃣6️⃣1️⃣ Which acid is present in sour grapes?

Answer: Tartaric Acid

1️⃣6️⃣2️⃣ Which acid is present in unripe mango?

Answer: Citric Acid

1️⃣6️⃣3️⃣ Which acid is present in apple cider vinegar?

Answer: Acetic Acid

1️⃣6️⃣4️⃣ Which acid is present in muscle pain after heavy exercise?

Answer: Lactic Acid

1️⃣6️⃣5️⃣ Which acid is used to manufacture dyes?

Answer: Sulphuric Acid

1️⃣6️⃣6️⃣ Which acid is used in metal pickling?

Answer: Hydrochloric Acid

1️⃣6️⃣7️⃣ Which acid is present in sour curd?

Answer: Lactic Acid

1️⃣6️⃣8️⃣ Which acid is present in gooseberry (Amla)?

Answer: Ascorbic Acid

1️⃣6️⃣9️⃣ Which acid is known as Vitamin C?

Answer: Ascorbic Acid

1️⃣7️⃣0️⃣ Who discovered Ascorbic Acid?

Answer: Albert Szent-Györgyi

1️⃣7️⃣1️⃣ Which acid is used in making fertilizers like superphosphate?

Answer: Sulphuric Acid

1️⃣7️⃣2️⃣ Which acid is present in fizzy beverages?

Answer: Carbonic Acid

1️⃣7️⃣3️⃣ Which acid is produced when carbon dioxide dissolves in water?

Answer: Carbonic Acid

1️⃣7️⃣4️⃣ Which acid is used in the leather industry?

Answer: Sulphuric Acid

1️⃣7️⃣5️⃣ Which acid is present in tea and coffee?

Answer: Tannic Acid

1️⃣7️⃣6️⃣ Which acid is used in rust removal solutions?

Answer: Hydrochloric Acid

1️⃣7️⃣7️⃣ Which acid is present in sour candies?

Answer: Citric Acid

1️⃣7️⃣8️⃣ Which acid is used to manufacture plastics and synthetic fibres?

Answer: Sulphuric Acid

1️⃣7️⃣9️⃣ Which acid is present in ant venom?

Answer: Formic Acid

1️⃣8️⃣0️⃣ Which acid is present in nettle sting?

Answer: Formic Acid

1️⃣8️⃣1️⃣ Which acid is used in laboratories for neutralization reactions?

Answer: Hydrochloric Acid

1️⃣8️⃣2️⃣ Which acid is present in fermented rice or batter?

Answer: Lactic Acid

1️⃣8️⃣3️⃣ Which acid is used in manufacturing detergents?

Answer: Sulphuric Acid

1️⃣8️⃣4️⃣ Which acid is present in soft drinks for tangy taste?

Answer: Citric Acid

1️⃣8️⃣5️⃣ Which acid is formed during bacterial fermentation of milk?

Answer: Lactic Acid

1️⃣8️⃣6️⃣ Which acid is present in berries?

Answer: Citric Acid

1️⃣8️⃣7️⃣ Which acid is used to prepare aqua regia (along with nitric acid)?

Answer: Hydrochloric Acid

1️⃣8️⃣8️⃣ Which acid is known for dehydrating properties?

Answer: Concentrated Sulphuric Acid

1️⃣8️⃣9️⃣ Which acid is used to test metals in laboratories?

Answer: Hydrochloric Acid

1️⃣9️⃣0️⃣ Which acid is present in sour buttermilk?

Answer: Lactic Acid

1️⃣9️⃣1️⃣ Which acid is present in lemon juice?

Answer: Citric Acid

1️⃣9️⃣2️⃣ Which acid is present in sour orange?

Answer: Citric Acid

1️⃣9️⃣3️⃣ Which acid is present in vinegar used in cooking?

Answer: Acetic Acid

1️⃣9️⃣4️⃣ Which acid is present in fermented idli or dosa batter?

Answer: Lactic Acid

1️⃣9️⃣5️⃣ Which acid is used to manufacture explosives like TNT?

Answer: Nitric Acid

1️⃣9️⃣6️⃣ Which acid is present in rust-removing liquids?

Answer: Hydrochloric Acid

1️⃣9️⃣7️⃣ Which acid is present in apple juice?

Answer: Malic Acid

1️⃣9️⃣8️⃣ Which acid is responsible for sour taste in fruits?

Answer: Organic acids (mainly Citric Acid)

1️⃣9️⃣9️⃣ Which acid is present in sour cabbage?

Answer: Lactic Acid

2️⃣0️⃣0️⃣ Which acid is used in lead–acid batteries?

Answer: Sulphuric Acid

2️⃣0️⃣1️⃣ Which acid is formed when sulphur dioxide dissolves in water?

Answer: Sulphurous Acid

2️⃣0️⃣2️⃣ Which acid is formed when nitrogen dioxide dissolves in water?

Answer: Nitric Acid

2️⃣0️⃣3️⃣ Which acid is used for etching designs on metals?

Answer: Nitric Acid

2️⃣0️⃣4️⃣ Which acid is present in sour soil?

Answer: Humic Acid

2️⃣0️⃣5️⃣ Which acid is present in decaying plants?

Answer: Humic Acid

2️⃣0️⃣6️⃣ Which acid is used to clean tiles and toilets?

Answer: Hydrochloric Acid

2️⃣0️⃣7️⃣ Which acid is used in oil refineries?

Answer: Sulphuric Acid

2️⃣0️⃣8️⃣ Which acid is present in sour candies and jelly?

Answer: Citric Acid

2️⃣0️⃣9️⃣ Which acid is present in spinach?

Answer: Oxalic Acid

2️⃣1️⃣0️⃣ Which acid is formed during respiration in muscles under lack of oxygen?

Answer: Lactic Acid

2️⃣1️⃣1️⃣ Which acid reacts with limestone and marble?

Answer: Hydrochloric Acid

2️⃣1️⃣2️⃣ Which acid is used in making synthetic dyes?

Answer: Sulphuric Acid

2️⃣1️⃣3️⃣ Which acid is present in sour milk products?

Answer: Lactic Acid

2️⃣1️⃣4️⃣ Which acid is used to prepare fertilizers like ammonium sulphate?

Answer: Sulphuric Acid

2️⃣1️⃣5️⃣ Which acid is used as a preservative in sauces?

Answer: Acetic Acid

2️⃣1️⃣6️⃣ Which acid is produced by ants for defense?

Answer: Formic Acid

2️⃣1️⃣7️⃣ Which acid is present in aerated soft drinks?

Answer: Carbonic Acid

2️⃣1️⃣8️⃣ Which acid is present in sour pickles?

Answer: Acetic Acid

2️⃣1️⃣9️⃣ Which acid is commonly used for laboratory experiments in schools?

Answer: Dilute Hydrochloric Acid

2️⃣2️⃣0️⃣ Which acid causes corrosion of iron?

Answer: Strong acids

2️⃣2️⃣1️⃣ Which acid is formed when carbon dioxide reacts with rainwater?

Answer: Carbonic Acid

2️⃣2️⃣2️⃣ Which acid is mainly responsible for acid rain?

Answer: Sulphuric Acid and Nitric Acid

2️⃣2️⃣3️⃣ Which acid is present in sour tamarind?

Answer: Tartaric Acid

2️⃣2️⃣4️⃣ Which acid is present in grapes and wine?

Answer: Tartaric Acid

2️⃣2️⃣5️⃣ Which acid is used to manufacture fertilizers like urea?

Answer: Nitric Acid

2️⃣2️⃣6️⃣ Which acid is used in chemical laboratories for titration?

Answer: Hydrochloric Acid

2️⃣2️⃣7️⃣ Which acid is present in sour yoghurt drinks?

Answer: Lactic Acid

2️⃣2️⃣8️⃣ Which acid is present in citrus fruits like lime and orange?

Answer: Citric Acid

2️⃣2️⃣9️⃣ Which acid is produced by bacteria during milk fermentation?

Answer: Lactic Acid

2️⃣3️⃣0️⃣ Which acid is present in soda water?

Answer: Carbonic Acid

2️⃣3️⃣1️⃣ Which acid is used in steel and metal industries?

Answer: Sulphuric Acid

2️⃣3️⃣2️⃣ Which acid is used to remove scale from boilers?

Answer: Hydrochloric Acid

2️⃣3️⃣3️⃣ Which acid is present in ant and bee stings?

Answer: Formic Acid

2️⃣3️⃣4️⃣ Which acid is responsible for sour taste in curd?

Answer: Lactic Acid

2️⃣3️⃣5️⃣ Which acid is present in fermented vegetables?

Answer: Lactic Acid

2️⃣3️⃣6️⃣ Which acid is used in making detergents and soaps?

Answer: Sulphuric Acid

2️⃣3️⃣7️⃣ Which acid is present in sour apples?

Answer: Malic Acid

2️⃣3️⃣8️⃣ Which acid is used to prepare aqua regia along with hydrochloric acid?

Answer: Nitric Acid

2️⃣3️⃣9️⃣ Which acid is known for strong dehydrating nature?

Answer: Concentrated Sulphuric Acid

2️⃣4️⃣0️⃣ Which acid is present in spinach, tomato, and beetroot?

Answer: Oxalic Acid

2️⃣4️⃣1️⃣ Which acid is used in manufacturing explosives?

Answer: Nitric Acid

2️⃣4️⃣2️⃣ Which acid is present in sour buttermilk?

Answer: Lactic Acid

2️⃣4️⃣3️⃣ Which acid is present in pickled foods?

Answer: Acetic Acid

2️⃣4️⃣4️⃣ Which acid is used for cleaning laboratory glassware?

Answer: Hydrochloric Acid

2️⃣4️⃣5️⃣ Which acid is present in sour berries?

Answer: Citric Acid

2️⃣4️⃣6️⃣ Which acid is present in fermented rice water?

Answer: Lactic Acid

2️⃣4️⃣7️⃣ Which acid is commonly used in food flavouring?

Answer: Citric Acid

2️⃣4️⃣8️⃣ Which acid is used in petroleum refining?

Answer: Sulphuric Acid

2️⃣4️⃣9️⃣ Which acid is produced during anaerobic respiration in muscles?

Answer: Lactic Acid

2️⃣5️⃣0️⃣ Which acid is present in sour soil due to organic matter?

Answer: Humic Acid

2️⃣5️⃣1️⃣ Which acid is present in sour lemon candy?

Answer: Citric Acid

2️⃣5️⃣2️⃣ Which acid is formed when nitrogen oxides dissolve in rainwater?

Answer: Nitric Acid

2️⃣5️⃣3️⃣ Which acid is formed when sulphur dioxide dissolves in rainwater?

Answer: Sulphuric Acid

2️⃣5️⃣4️⃣ Which acid is mainly responsible for damage to monuments during acid rain?

Answer: Sulphuric Acid

2️⃣5️⃣5️⃣ Which acid reacts with calcium carbonate in marble?

Answer: Hydrochloric Acid

2️⃣5️⃣6️⃣ Which acid is present in fermented fish and meat?

Answer: Lactic Acid

2️⃣5️⃣7️⃣ Which acid is used in preparation of medicines?

Answer: Sulphuric Acid

2️⃣5️⃣8️⃣ Which acid is present in sour cherries?

Answer: Malic Acid

2️⃣5️⃣9️⃣ Which acid is present in sour plums?

Answer: Malic Acid

2️⃣6️⃣0️⃣ Which acid is used in manufacturing paints and pigments?

Answer: Sulphuric Acid

2️⃣6️⃣1️⃣ Which acid is present in cola drinks?

Answer: Phosphoric Acid

2️⃣6️⃣2️⃣ Who discovered Phosphoric Acid?

Answer: Hennig Brand

2️⃣6️⃣3️⃣ Which acid is used to remove scale from kettles?

Answer: Citric Acid

2️⃣6️⃣4️⃣ Which acid is present in sour bread?

Answer: Lactic Acid

2️⃣6️⃣5️⃣ Which acid is used in manufacture of fertilizers containing phosphorus?

Answer: Phosphoric Acid

2️⃣6️⃣6️⃣ Which acid is present in sour wine?

Answer: Tartaric Acid

2️⃣6️⃣7️⃣ Which acid is produced during fermentation of grapes?

Answer: Tartaric Acid

2️⃣6️⃣8️⃣ Which acid is used to prepare carbonated beverages?

Answer: Carbonic Acid

2️⃣6️⃣9️⃣ Which acid is present in sour pickled vegetables?

Answer: Acetic Acid

2️⃣7️⃣0️⃣ Which acid is used to test metals like zinc and magnesium?

Answer: Hydrochloric Acid

2️⃣7️⃣1️⃣ Which acid is present in fermented coconut water?

Answer: Lactic Acid

2️⃣7️⃣2️⃣ Which acid is used in the manufacture of rayon?

Answer: Sulphuric Acid

2️⃣7️⃣3️⃣ Which acid is present in sour strawberries?

Answer: Citric Acid

2️⃣7️⃣4️⃣ Which acid is used as a food additive (E330)?

Answer: Citric Acid

2️⃣7️⃣5️⃣ Which acid is present in sour pineapple juice?

Answer: Citric Acid

2️⃣7️⃣6️⃣ Which acid is produced when organic matter decays in soil?

Answer: Humic Acid

2️⃣7️⃣7️⃣ Which acid is used in car batteries?

Answer: Sulphuric Acid

2️⃣7️⃣8️⃣ Which acid is present in sour cheese?

Answer: Lactic Acid

2️⃣7️⃣9️⃣ Which acid is used in making fertilizers like DAP?

Answer: Phosphoric Acid

2️⃣8️⃣0️⃣ Which acid is present in sour fermented batter?

Answer: Lactic Acid

2️⃣8️⃣1️⃣ Which acid is present in sour curd rice?

Answer: Lactic Acid

2️⃣8️⃣2️⃣ Which acid is present in sour lemon pickle?

Answer: Citric Acid

2️⃣8️⃣3️⃣ Which acid is formed when sulphur trioxide dissolves in water?

Answer: Sulphuric Acid

2️⃣8️⃣4️⃣ Which acid is formed when nitrogen dioxide reacts with water?

Answer: Nitric Acid

2️⃣8️⃣5️⃣ Which acid is present in sour tamarind water?

Answer: Tartaric Acid

2️⃣8️⃣6️⃣ Which acid is used in gold purification (aqua regia)?

Answer: Nitric Acid (with Hydrochloric Acid)

2️⃣8️⃣7️⃣ Which acid is present in sour tomato?

Answer: Oxalic Acid

2️⃣8️⃣8️⃣ Which acid is used in manufacture of fertilizers like SSP?

Answer: Sulphuric Acid

2️⃣8️⃣9️⃣ Which acid is present in sour yoghurt-based drinks?

Answer: Lactic Acid

2️⃣9️⃣0️⃣ Which acid is present in sour guava?

Answer: Citric Acid

2️⃣9️⃣1️⃣ Which acid is present in fermented soybean products?

Answer: Lactic Acid

2️⃣9️⃣2️⃣ Which acid is used in cleaning cement stains?

Answer: Hydrochloric Acid

2️⃣9️⃣3️⃣ Which acid is present in sour apple candy?

Answer: Malic Acid

2️⃣9️⃣4️⃣ Which acid is used in manufacturing synthetic rubber?

Answer: Sulphuric Acid

2️⃣9️⃣5️⃣ Which acid is present in sour papaya?

Answer: Citric Acid

2️⃣9️⃣6️⃣ Which acid is formed when CO₂ dissolves in groundwater?

Answer: Carbonic Acid

2️⃣9️⃣7️⃣ Which acid causes corrosion of iron pipes in acidic water?

Answer: Carbonic Acid

2️⃣9️⃣8️⃣ Which acid is present in sour fermented millet batter?

Answer: Lactic Acid

2️⃣9️⃣9️⃣ Which acid is used in preparation of dyes and pigments?

Answer: Sulphuric Acid

3️⃣0️⃣0️⃣ Which acid is present in sour citrus juices?

Answer: Citric Acid

3️⃣0️⃣1️⃣ Which acid is present in sour orange juice?

Answer: Citric Acid

3️⃣0️⃣2️⃣ Which acid is present in fermented sugarcane juice?

Answer: Acetic Acid

3️⃣0️⃣3️⃣ Which acid is used in the manufacture of fertilizers like ammonium nitrate?

Answer: Nitric Acid

3️⃣0️⃣4️⃣ Which acid is present in sour jackfruit?

Answer: Citric Acid

3️⃣0️⃣5️⃣ Which acid is used to remove limescale from bathroom fittings?

Answer: Hydrochloric Acid

3️⃣0️⃣6️⃣ Which acid is present in fermented coconut toddy?

Answer: Acetic Acid

3️⃣0️⃣7️⃣ Which acid is formed when carbon dioxide reacts with limestone underground?

Answer: Carbonic Acid

3️⃣0️⃣8️⃣ Which acid helps plants absorb minerals from soil?

Answer: Carbonic Acid

3️⃣0️⃣9️⃣ Which acid is present in sour fermented wheat dough?

Answer: Lactic Acid

3️⃣1️⃣0️⃣ Which acid is used in the manufacture of detergents and surfactants?

Answer: Sulphuric Acid

3️⃣1️⃣1️⃣ Which acid is present in sour fermented rice water?

Answer: Lactic Acid

3️⃣1️⃣2️⃣ Which acid is used in electrochemical industries?

Answer: Sulphuric Acid

3️⃣1️⃣3️⃣ Which acid is present in sour blueberries?

Answer: Citric Acid

3️⃣1️⃣4️⃣ Which acid is present in sour fermented pickles?

Answer: Lactic Acid

3️⃣1️⃣5️⃣ Which acid is used to test carbonates in laboratories?

Answer: Hydrochloric Acid

3️⃣1️⃣6️⃣ Which acid is present in sour fermented palm wine?

Answer: Acetic Acid

3️⃣1️⃣7️⃣ Which acid is present in sour fermented cabbage (sauerkraut)?

Answer: Lactic Acid

3️⃣1️⃣8️⃣ Which acid is used in the manufacture of synthetic fibres like nylon?

Answer: Sulphuric Acid

3️⃣1️⃣9️⃣ Which acid is present in sour fermented batter of dosa/idli?

Answer: Lactic Acid

3️⃣2️⃣0️⃣ Which acid is present in sour fermented fruit juices?

Answer: Acetic Acid

3️⃣2️⃣1️⃣ Which acid is responsible for sour taste in fermented foods?

Answer: Lactic Acid

3️⃣2️⃣2️⃣ Which acid is used in petroleum refining and alkylation?

Answer: Sulphuric Acid

3️⃣2️⃣3️⃣ Which acid is present in sour fermented grapes?

Answer: Tartaric Acid

3️⃣2️⃣4️⃣ Which acid is present in sour fermented apples?

Answer: Malic Acid

3️⃣2️⃣5️⃣ Which acid is used in making fertilizers like SSP and TSP?

Answer: Sulphuric Acid

3️⃣2️⃣6️⃣ Which acid is present in sour fermented milk drinks?

Answer: Lactic Acid

3️⃣2️⃣7️⃣ Which acid is used in cleaning rusted iron tools?

Answer: Hydrochloric Acid

3️⃣2️⃣8️⃣ Which acid is present in sour fermented vegetables?

Answer: Lactic Acid

3️⃣2️⃣9️⃣ Which acid is present in sour fermented sugar solutions?

Answer: Acetic Acid

3️⃣3️⃣0️⃣ Which acid is commonly used for neutralization reactions in labs?

Answer: Hydrochloric Acid

3️⃣3️⃣1️⃣ Which acid is present in sour fermented lemon juice?

Answer: Citric Acid

3️⃣3️⃣2️⃣ Which acid is used in the manufacture of phosphate fertilizers?

Answer: Phosphoric Acid

3️⃣3️⃣3️⃣ Which acid is present in sour fermented sugar solutions like vinegar?

Answer: Acetic Acid

3️⃣3️⃣4️⃣ Which acid is present in sour fermented milk (lassi)?

Answer: Lactic Acid

3️⃣3️⃣5️⃣ Which acid is responsible for corrosion caused by acid rain?

Answer: Sulphuric Acid and Nitric Acid

3️⃣3️⃣6️⃣ Which acid is used to remove rust from iron sheets?

Answer: Hydrochloric Acid

3️⃣3️⃣7️⃣ Which acid is present in sour fermented ragi batter?

Answer: Lactic Acid

3️⃣3️⃣8️⃣ Which acid is present in sour fermented grapes juice (wine)?

Answer: Tartaric Acid

3️⃣3️⃣9️⃣ Which acid is used in the manufacture of detergents?

Answer: Sulphuric Acid

3️⃣4️⃣0️⃣ Which acid is present in sour fermented apple juice?

Answer: Malic Acid

3️⃣4️⃣1️⃣ Which acid is used in cleaning laboratory apparatus?

Answer: Hydrochloric Acid

3️⃣4️⃣2️⃣ Which acid is present in sour fermented vegetables like kimchi?

Answer: Lactic Acid

3️⃣4️⃣3️⃣ Which acid is used in manufacturing fertilizers like DAP?

Answer: Phosphoric Acid

3️⃣4️⃣4️⃣ Which acid is present in sour fermented berries?

Answer: Citric Acid

3️⃣4️⃣5️⃣ Which acid is formed when carbon dioxide reacts with water in caves?

Answer: Carbonic Acid

3️⃣4️⃣6️⃣ Which acid helps in weathering of rocks?

Answer: Carbonic Acid

3️⃣4️⃣7️⃣ Which acid is used in electroplating industries?

Answer: Sulphuric Acid

3️⃣4️⃣8️⃣ Which acid is present in sour fermented coconut milk?

Answer: Lactic Acid

3️⃣4️⃣9️⃣ Which acid is present in sour fermented palm sap?

Answer: Acetic Acid

3️⃣5️⃣0️⃣ Which acid is commonly used in titration experiments?

Answer: Hydrochloric Acid

3️⃣5️⃣1️⃣ Which acid is present in sour fermented corn products?

Answer: Lactic Acid

3️⃣5️⃣2️⃣ Which acid is used in petroleum refining processes?

Answer: Sulphuric Acid

3️⃣5️⃣3️⃣ Which acid is present in sour fermented pickled mango?

Answer: Acetic Acid

3️⃣5️⃣4️⃣ Which acid is present in sour fermented buttermilk?

Answer: Lactic Acid

3️⃣5️⃣5️⃣ Which acid is used in cleaning toilet tiles?

Answer: Hydrochloric Acid

3️⃣5️⃣6️⃣ Which acid is present in sour fermented fruit juices?

Answer: Acetic Acid

3️⃣5️⃣7️⃣ Which acid is present in sour fermented millet porridge?

Answer: Lactic Acid

3️⃣5️⃣8️⃣ Which acid is used in the manufacture of synthetic dyes?

Answer: Sulphuric Acid

3️⃣5️⃣9️⃣ Which acid is present in sour fermented cabbage juice?

Answer: Lactic Acid

3️⃣6️⃣0️⃣ Which acid is widely used as a laboratory reagent?

Answer: Hydrochloric Acid

3️⃣6️⃣1️⃣ Which acid is present in sour fermented lime juice?

Answer: Citric Acid

3️⃣6️⃣2️⃣ Which acid is used in the manufacture of glass?

Answer: Hydrofluoric Acid

3️⃣6️⃣3️⃣ Who discovered Hydrofluoric Acid?

Answer: Carl Wilhelm Scheele

3️⃣6️⃣4️⃣ Which acid is present in cola and soft drinks?

Answer: Phosphoric Acid

3️⃣6️⃣5️⃣ Which acid is used to remove silica from glassware?

Answer: Hydrofluoric Acid

3️⃣6️⃣6️⃣ Which acid is present in sour fermented carrot juice?

Answer: Lactic Acid

3️⃣6️⃣7️⃣ Which acid is responsible for tooth enamel damage due to bacteria?

Answer: Lactic Acid

3️⃣6️⃣8️⃣ Which acid is present in sour fermented banana mash?

Answer: Acetic Acid

3️⃣6️⃣9️⃣ Which acid is used in making fertilizers containing phosphorus?

Answer: Phosphoric Acid

3️⃣7️⃣0️⃣ Which acid is formed when sulphur dioxide reacts with oxygen and water?

Answer: Sulphuric Acid

3️⃣7️⃣1️⃣ Which acid is present in sour fermented beetroot juice?

Answer: Lactic Acid

3️⃣7️⃣2️⃣ Which acid is used in rust converters?

Answer: Phosphoric Acid

3️⃣7️⃣3️⃣ Which acid is present in sour fermented sugar syrup?

Answer: Acetic Acid

3️⃣7️⃣4️⃣ Which acid is present in sour fermented wheat porridge?

Answer: Lactic Acid

3️⃣7️⃣5️⃣ Which acid is used in making artificial silk (rayon)?

Answer: Sulphuric Acid

3️⃣7️⃣6️⃣ Which acid is present in sour fermented pineapple juice?

Answer: Citric Acid

3️⃣7️⃣7️⃣ Which acid is used in cleaning swimming pools?

Answer: Hydrochloric Acid

3️⃣7️⃣8️⃣ Which acid is present in sour fermented sugarcane products?

Answer: Acetic Acid

3️⃣7️⃣9️⃣ Which acid helps in digestion in the human stomach?

Answer: Hydrochloric Acid

3️⃣8️⃣0️⃣ Which acid is present in sour fermented oats?

Answer: Lactic Acid

3️⃣8️⃣1️⃣ Which acid is used to prepare phosphate salts?

Answer: Phosphoric Acid

3️⃣8️⃣2️⃣ Which acid is present in sour fermented mixed vegetable pickle?

Answer: Acetic Acid

3️⃣8️⃣3️⃣ Which acid is formed when carbon dioxide dissolves in sea water?

Answer: Carbonic Acid

3️⃣8️⃣4️⃣ Which acid causes ocean acidification?

Answer: Carbonic Acid

3️⃣8️⃣5️⃣ Which acid is present in sour fermented millet drinks?

Answer: Lactic Acid

3️⃣8️⃣6️⃣ Which acid is used in manufacturing explosives like nitroglycerin?

Answer: Nitric Acid

3️⃣8️⃣7️⃣ Which acid is present in sour fermented apple cider?

Answer: Malic Acid

3️⃣8️⃣8️⃣ Which acid is used in leather processing?

Answer: Sulphuric Acid

3️⃣8️⃣9️⃣ Which acid is present in sour fermented soy products?

Answer: Lactic Acid

3️⃣9️⃣0️⃣ Which acid is commonly used for standard acid solutions in labs?

Answer: Hydrochloric Acid

3️⃣9️⃣1️⃣ Which acid is present in sour fermented lemon peel?

Answer: Citric Acid

3️⃣9️⃣2️⃣ Which acid is used to etch designs on glass?

Answer: Hydrofluoric Acid

3️⃣9️⃣3️⃣ Which acid is present in sour fermented rice gruel?

Answer: Lactic Acid

3️⃣9️⃣4️⃣ Which acid is used in the manufacture of explosives like TNT?

Answer: Nitric Acid

3️⃣9️⃣5️⃣ Which acid is present in sour fermented sugar beet juice?

Answer: Acetic Acid

3️⃣9️⃣6️⃣ Which acid is used in metal surface treatment?

Answer: Sulphuric Acid

3️⃣9️⃣7️⃣ Which acid is present in sour fermented pumpkin juice?

Answer: Lactic Acid

3️⃣9️⃣8️⃣ Which acid is present in sour fermented citrus wine?

Answer: Citric Acid

3️⃣9️⃣9️⃣ Which acid is used in manufacture of fertilizers like NPK?

Answer: Nitric Acid and Phosphoric Acid

4️⃣0️⃣0️⃣ Which acid is present in sour fermented barley products?

Answer: Lactic Acid

4️⃣0️⃣1️⃣ Which acid is used in petroleum alkylation processes?

Answer: Sulphuric Acid

4️⃣0️⃣2️⃣ Which acid is present in sour fermented sugar palm sap?

Answer: Acetic Acid

4️⃣0️⃣3️⃣ Which acid is used to remove oxide layers from metals?

Answer: Hydrochloric Acid

4️⃣0️⃣4️⃣ Which acid is present in sour fermented grape must?

Answer: Tartaric Acid

4️⃣0️⃣5️⃣ Which acid is responsible for weathering of limestone?

Answer: Carbonic Acid

4️⃣0️⃣6️⃣ Which acid is present in sour fermented milk whey?

Answer: Lactic Acid

4️⃣0️⃣7️⃣ Which acid is used in preparation of laboratory standard solutions?

Answer: Hydrochloric Acid

4️⃣0️⃣8️⃣ Which acid is present in sour fermented vegetable juices?

Answer: Lactic Acid

4️⃣0️⃣9️⃣ Which acid is used in making synthetic detergents?

Answer: Sulphuric Acid

4️⃣1️⃣0️⃣ Which acid is present in sour fermented fruit mash?

Answer: Acetic Acid

4️⃣1️⃣1️⃣ Which acid is used to produce phosphate fertilizers?

Answer: Phosphoric Acid

4️⃣1️⃣2️⃣ Which acid is present in sour fermented apple wine?

Answer: Malic Acid

4️⃣1️⃣3️⃣ Which acid is used in rust prevention coatings?

Answer: Phosphoric Acid

4️⃣1️⃣4️⃣ Which acid is present in sour fermented cabbage water?

Answer: Lactic Acid

4️⃣1️⃣5️⃣ Which acid is used in lead storage batteries?

Answer: Sulphuric Acid

4️⃣1️⃣6️⃣ Which acid is present in sour fermented pineapple mash?

Answer: Citric Acid

4️⃣1️⃣7️⃣ Which acid is used in manufacturing artificial fibres?

Answer: Sulphuric Acid

4️⃣1️⃣8️⃣ Which acid is present in sour fermented coconut sap?

Answer: Acetic Acid

4️⃣1️⃣9️⃣ Which acid is formed when CO₂ dissolves in rainwater?

Answer: Carbonic Acid

4️⃣2️⃣0️⃣ Which acid is commonly used for acid–base titration in schools?

Answer: Hydrochloric Acid

4️⃣2️⃣1️⃣ Who proposed the Arrhenius theory of acids?

Answer: Svante Arrhenius

4️⃣2️⃣2️⃣ Which acid produces H⁺ ions in aqueous solution?

Answer: Arrhenius Acid

4️⃣2️⃣3️⃣ Who introduced the Brønsted–Lowry acid–base theory?

Answer: Johannes Brønsted and Thomas Lowry

4️⃣2️⃣4️⃣ According to Brønsted–Lowry theory, an acid is a:

Answer: Proton donor

4️⃣2️⃣5️⃣ Who proposed the Lewis theory of acids?

Answer: G. N. Lewis

4️⃣2️⃣6️⃣ According to Lewis theory, an acid is a:

Answer: Electron pair acceptor

4️⃣2️⃣7️⃣ Which acid is known as the King of Chemicals?

Answer: Sulphuric Acid

4️⃣2️⃣8️⃣ Which acid is called Oil of Vitriol?

Answer: Sulphuric Acid

4️⃣2️⃣9️⃣ Which acid is used in the manufacture of rayon?

Answer: Sulphuric Acid

4️⃣3️⃣0️⃣ Which acid is present in bee sting?

Answer: Formic Acid

4️⃣3️⃣1️⃣ Which acid is present in ant sting?

Answer: Formic Acid

4️⃣3️⃣2️⃣ Which acid is found in apple?

Answer: Malic Acid

4️⃣3️⃣3️⃣ Which acid is present in tamarind?

Answer: Tartaric Acid

4️⃣3️⃣4️⃣ Which acid is present in lemon?

Answer: Citric Acid

4️⃣3️⃣5️⃣ Which acid is present in curd?

Answer: Lactic Acid

4️⃣3️⃣6️⃣ Which acid is used in silver polishing?

Answer: Nitric Acid

4️⃣3️⃣7️⃣ Which acid is used in leather tanning?

Answer: Formic Acid

4️⃣3️⃣8️⃣ Which acid is present in tomato?

Answer: Oxalic Acid

4️⃣3️⃣9️⃣ Which acid is present in spinach?

Answer: Oxalic Acid

4️⃣4️⃣0️⃣ Which acid is present in grapes?

Answer: Tartaric Acid

4️⃣4️⃣1️⃣ Which acid is used in dye manufacturing?

Answer: Sulphuric Acid

4️⃣4️⃣2️⃣ Which acid is present in vinegar?

Answer: Acetic Acid

4️⃣4️⃣3️⃣ Which acid is present in sour milk?

Answer: Lactic Acid

4️⃣4️⃣4️⃣ Which acid is present in orange?

Answer: Citric Acid

4️⃣4️⃣5️⃣ Which acid is present in tea leaves?

Answer: Tannic Acid

4️⃣4️⃣6️⃣ Which acid is used to clean toilet tiles?

Answer: Hydrochloric Acid

4️⃣4️⃣7️⃣ Which acid is present in soft drinks?

Answer: Carbonic Acid

4️⃣4️⃣8️⃣ Which acid is used in metal pickling?

Answer: Hydrochloric Acid

4️⃣4️⃣9️⃣ Which acid is present in cheese?

Answer: Lactic Acid

4️⃣5️⃣0️⃣ Which acid is used in the manufacture of fertilizers?

Answer: Sulphuric Acid

4️⃣5️⃣1️⃣ Which acid is present in human stomach?

Answer: Hydrochloric Acid

4️⃣5️⃣2️⃣ Which acid helps in digestion of food?

Answer: Hydrochloric Acid

4️⃣5️⃣3️⃣ Which acid is present in red ants?

Answer: Formic Acid

4️⃣5️⃣4️⃣ Which acid is present in sour grapes?

Answer: Tartaric Acid

4️⃣5️⃣5️⃣ Which acid is present in banana?

Answer: Malic Acid

4️⃣5️⃣6️⃣ Which acid is used to make fertilizers like superphosphate?

Answer: Sulphuric Acid

4️⃣5️⃣7️⃣ Which acid is present in chewing tobacco?

Answer: Nicotine Acid (Nicotinic Acid)

4️⃣5️⃣8️⃣ Which acid is present in urine?

Answer: Uric Acid

4️⃣5️⃣9️⃣ Which acid is present in sweat?

Answer: Lactic Acid

4️⃣6️⃣0️⃣ Which acid is present in curdled milk?

Answer: Lactic Acid

4️⃣6️⃣1️⃣ Which acid is used to remove rust stains?

Answer: Oxalic Acid

4️⃣6️⃣2️⃣ Which acid is present in spinach and beetroot?

Answer: Oxalic Acid

4️⃣6️⃣3️⃣ Which acid is used in food preservation?

Answer: Benzoic Acid

4️⃣6️⃣4️⃣ Which acid is present in cranberries?

Answer: Benzoic Acid

4️⃣6️⃣5️⃣ Which acid is used in making plastics and nylon?

Answer: Adipic Acid

4️⃣6️⃣6️⃣ Which acid is used in aspirin preparation?

Answer: Salicylic Acid

4️⃣6️⃣7️⃣ Which acid is present in oil of wintergreen?

Answer: Salicylic Acid

4️⃣6️⃣8️⃣ Which acid is present in wine?

Answer: Tartaric Acid

4️⃣6️⃣9️⃣ Which acid is used in photography?

Answer: Acetic Acid

4️⃣7️⃣0️⃣ Which acid is used to prepare carbonated drinks?

Answer: Carbonic Acid

4️⃣7️⃣1️⃣ Which acid is formed during muscle fatigue?

Answer: Lactic Acid

4️⃣7️⃣2️⃣ Which acid is present in sour curd rice?

Answer: Lactic Acid

4️⃣7️⃣3️⃣ Which acid is used in ink manufacturing?

Answer: Tannic Acid

4️⃣7️⃣4️⃣ Which acid is present in tea and coffee?

Answer: Tannic Acid

4️⃣7️⃣5️⃣ Which acid is used in soap manufacturing?

Answer: Fatty Acids

4️⃣7️⃣6️⃣ Which acid is present in butter and cheese smell?

Answer: Butyric Acid

4️⃣7️⃣7️⃣ Which acid is present in rancid butter?

Answer: Butyric Acid

4️⃣7️⃣8️⃣ Which acid is used in rubber processing?

Answer: Formic Acid

4️⃣7️⃣9️⃣ Which acid is present in sour bread?

Answer: Lactic Acid

4️⃣8️⃣0️⃣ Which acid is commonly used in laboratory experiments?

Answer: Hydrochloric Acid

4️⃣8️⃣1️⃣ Which acid is known as the spirit of salt?

Answer: Hydrochloric Acid

4️⃣8️⃣2️⃣ Which acid was first prepared by Johann Rudolf Glauber?

Answer: Hydrochloric Acid

4️⃣8️⃣3️⃣ Which acid was discovered by Jabir ibn Hayyan?

Answer: Nitric Acid

4️⃣8️⃣4️⃣ Which acid was prepared by alchemists from green vitriol?

Answer: Sulphuric Acid

4️⃣8️⃣5️⃣ Which acid is called aqua fortis?

Answer: Nitric Acid

4️⃣8️⃣6️⃣ Which acid is called aqua regia (mixture)?

Answer: Hydrochloric Acid + Nitric Acid

4️⃣8️⃣7️⃣ Which acid can dissolve gold?

Answer: Aqua Regia

4️⃣8️⃣8️⃣ Which acid is present in car batteries?

Answer: Sulphuric Acid

4️⃣8️⃣9️⃣ Which acid is present in pickles?

Answer: Acetic Acid

4️⃣9️⃣0️⃣ Which acid is present in sour buttermilk?

Answer: Lactic Acid

4️⃣9️⃣1️⃣ Which acid is used to manufacture dyes?

Answer: Sulphuric Acid

4️⃣9️⃣2️⃣ Which acid is present in grapefruit?

Answer: Citric Acid

4️⃣9️⃣3️⃣ Which acid is used to preserve soft drinks?

Answer: Phosphoric Acid

4️⃣9️⃣4️⃣ Which acid is present in cola drinks?

Answer: Phosphoric Acid

4️⃣9️⃣5️⃣ Which acid is present in amla (gooseberry)?

Answer: Ascorbic Acid

4️⃣9️⃣6️⃣ Which acid is also known as Vitamin C?

Answer: Ascorbic Acid

4️⃣9️⃣7️⃣ Which acid is present in onion and garlic?

Answer: Sulphuric Compounds (Sulphur-containing acids)

4️⃣9️⃣8️⃣ Which acid is used in making fertilizers like DAP?

Answer: Phosphoric Acid

4️⃣9️⃣9️⃣ Which acid is present in pear?

Answer: Malic Acid

5️⃣0️⃣0️⃣ Which acid is formed during anaerobic respiration in muscles?

Answer: Lactic Acid

5️⃣0️⃣1️⃣ Which acid is used to control pH in swimming pools?

Answer: Hydrochloric Acid

5️⃣0️⃣2️⃣ Which acid is present in strawberries?

Answer: Citric Acid

5️⃣0️⃣3️⃣ Which acid is present in raspberries?

Answer: Citric Acid

5️⃣0️⃣4️⃣ Which acid is used in galvanizing metals?

Answer: Hydrochloric Acid

5️⃣0️⃣5️⃣ Which acid is present in cheese odour?

Answer: Butyric Acid

5️⃣0️⃣6️⃣ Which acid is used in textile industry?

Answer: Acetic Acid

5️⃣0️⃣7️⃣ Which acid is present in vinegar essence?

Answer: Acetic Acid

5️⃣0️⃣8️⃣ Which acid is used in medicine as an antiseptic?

Answer: Boric Acid

5️⃣0️⃣9️⃣ Which acid is present in eye wash solution?

Answer: Boric Acid

5️⃣1️⃣0️⃣ Which acid is present in acid rain?

Answer: Sulphuric Acid and Nitric Acid


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