Question

what will happen .
1) if butter milk kept in a copper of brass container.
2) copper sulphate crystal are heated
​

Answer 1

Explanation:

1.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.

2.When we heat the crystals, these water molecules are removed and the salt turns white. If we moisten the crystals again with water, the blue colour of the crystals reappear.

Hope it helps you...

Answer 2

Explanation:

Buttermilk spoil if kept in a copper or brass container because buttermilk actually lactic acid. Lactic acid react with the container material and products poisonous complex. It is actually the reaction between acid and metal. This is the reaction is called as electrochemical reaction.