Question

why acid should not be kept in metal containers

Answer 1

Acid cannot be kept in metal container becoz it react with metal to form a poisonous metal salt and also make food stuff poisonous and cause bad effect on our health

Answer 2

acids react with metals to form metal salts and hydrogen gas . thus to prevent this reaction by keeping the acid in metal container , acids must not kept there .

formula - for example - 2HCl + 2Na → 2NaCl + H²