Question

14) Why curd should not be stored in utensils made
of iron and copper? give one word answers ​

Answer 1

Because curd is source of acid.so we cannot keep curd in iron and copper so if you keep its harm to food

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Answer 2

Answer:

Curd and sour substances (mostly diary products) contain acids which is known as lactic acid. Acids react with metals to produce salt and hydrogen gas. So, if such substances are kept in copper container, the acid will react and the container will be corroded. It makes it poisonous to eat and really harmful for our body.