Question

Which of the following is NOT correctly matched ?

  1. Acid present in vinegar - Acetic acid
  2. Compound present in bones - Calcium phosphate
  3. Souring of milk - Nitric acid
  4. Acid present in gastric juice - Hydrochloric acid

Answer:

Option C: Souring of milk - Nitric acid

Detailed Solution:

The correct answer is “Souring of milk - Nitric acid”.

Phenomenon/Substance Compound/Acid
Acid present in vinegar Acetic acid
Compound present in bones Calcium phosphate
Souring of milk Lactic acid
Acid present in gastric juice Hydrochloric acid