मुख्य सामग्री पर जाएँ

State PCS PYQPrelims 2021

UPPCS · प्रश्न 86

Which of the following is NOT correctly matched?

Acid present in vinegar - Acetic acid
Compound present in bones - Calcium phosphate
Souring of milk - Nitric acid
Acid present in gastric juice - Hydrochloric acid

उत्तर देखें और व्याख्या

उत्तर: (C) Souring of milk - Nitric acid

व्याख्या

Milk sours due to lactic acid produced by bacteria.