Question

Curd should not be kept in copper or brass vessels? Give reason.

Answer 1

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

the lactic acid present in it. and reacts with the metals and form matllic salts. they make the unfit for the human consumption.