Question

6. Why should curd and sour substances not be kept in brass and copper vessels?​

Answer 1

Answer:

Both the Curd and sour substances are acids. So, if such substances are kept in a copper or brass container, the acid will react and the container will be corroded. Thereby may spoil the food.

Answer 2

Answer:

Both the Curd and sour substances are acids. Acids react with metals to produce salt and hydrogen gas. So, if such substances are kept in a copper container, the acid will react and the container will be corroded.

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