UPPCS 2021 Pre

Which of the following is NOT correctly matched?

Verified Answer
A. Acid present in vinegar - Acetic acid
B. Compound present in bones - Calcium phosphate
C. Souring of milk - Nitric acid
D. Acid present in gastric juice - Hydrochloric acid

Explanation:

Souring of milk is primarily due to the formation of Lactic acid by bacteria, not Nitric acid.