Question

why should curd and sour substance not be kept in brass and copper vessels​

Answer 1

Explanation:

when kept in copper or brass vessels,curd(and other acidic food items) reacts with copper and forms toxic compounds which may be unfit for human consumption,and may cause food poisoning. thus it is not advisable to keep curd and other acidic or sour food items in copper or brass vessels.

Answer 2

Because curd and sour substances contains acid which reacts with the metal such as Brass and Copper and form a salt which is very bad in taste and may be harmful for our health. That's why never kept any sour substance in a metallic container.

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