Question

why should curd and sour substances not be kept in brass and copper vessel​

Answer 1

Answer:

because curd is an acidic substance and metal oxide is basic. So they react and form toxic substance which cause food poisioning.

Explanation:

Answer 2

Hey bro this is your answer

We should curd and sour substance not be kept in brass and copper vessel because curd or another sour substance have acidic nature and brass and copper vessels also have acidic nature so by kept the sour substance in brass it became acidic or in another words the curd become poison.

HOPE IT WILL HELP YOU