Question

Give scientific reason

1) Buttermilk spoils if kept in a copper or brass container.​

Answer 1

Answer:

Buttermilk if kept in a brass or copper vessel spoils easily, as it contains lactic acid, which when it reacts with the copper or brass container produces toxic salts.

Answer 2

Answer:

Buttermilk spoils if kept in a copper or brass container because buttermilk is actually lactic acid. Lactic acid reacts with the container material and produces poisonous complex. It is actually the reaction between acid and metal . This reaction is called as electro chemical reaction.