When acid and metal reacts it leads to liberation of hydrogen and hydrogen gas leads to the spoiling of food
because it contains acid that reacts with metal and forms salt
as acids present in curd will react with them and form harmful toxic substances which is unfit for health
because if they are kept in these vessels they react with them and make poisonous substance
Because they contain acids which can react with metals and forms salts.
Curd and sour substance does not kept in bronze and copper vesesls because curd and sour substance react0with bronze and copper vessels and make the curd and sour substance poisonous
curd and sour substances are mainly acidic in nature and copper and brass are metal
so when acid reacts with metals the form salts and salts are not always edible some are poisoning too so we should take precautions of not storing sour substances in copper or brass vessels
answer is - 7 g of n. hope u.
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