Question

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

Answer 1

Answer:

If these kinds of substances which possess acids are kept in copper containers or vessels they will react and produce salt and hydrogen and the vessel will be corroded. It can also produce harmful products that may spoil the food.

Answer 2

Curd and sour substances can't be kept in brass and copper vessels because if these kinds of substances which possess acids are kept in copper containers or vessels they will react and produce salt and hydrogen and the vessel will be corroded. It can also produce harmful products that may spoil the food.

Hope it's helpful ☺️.