Question

e what will happen
if butter mill kept in a
Copper of bross containe
3. Copper cyhole crystal
are heated.​

Answer 1

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.

3 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.