Question

why should curd and other sour foodstuffs ( lemon juice etc) not be kept in metal containers such as copper and brass vessels give reason​

Answer 1

Answer:

Curd or other foodstuff (lemon juice etc) are not kept in a metal containers like copper and brass vessel because when these foodstuff contained acid and when this acid comes in contact with metal form toxic chemicals which can lead to health damage too .

Explanation:

hope it helps

Answer 2

Answer:

Curd and other sour substances contains acids which can react with the metals of brass and copper vessels to form toxic (poisonous) metal compounds which can cause food poisoning and damage our health.