Question

6. There are two jars A and B containing food materials. Food in jar A stored with acetic acid while B
is not. Food of which jar will stale first? Give reason.
7. Name the acids present in the following food stuff: Lemon juice. Vinegar, Tamarind, Sour milk, vitamin c tablet​

Answer 1

Answer:

Food in jarA will stale first. Because bacteria do not act in acidic conditions but in normal conditions.  

Lemon juice -citric acid

 Vinegar -acetic acid  

Tamarind -tartaric acid

Sour milk -lactic acid

 Vitamin c -ascorbic acid