Mention two situations where do you use hydrated and unhydrated salts in your daily life.

Explanation

1) N/ACl is unhydrated. salt. It flows freely when filled in a container.
2) N/AHCl (Baking soda) is unhydrated salt. It flows freely when filled in a container.
3) `N/ACO_3*10H_2O` (washing soda) is hydrated salt. It leaves wetness inside the container, if it place in sunlight.
4) `CaSO_4*2H_2O` (Gypsum) is also hydrated salt. On careful heating of gypsum it loses in water molecules partially to become `(CaSO_4*1/2H_2O)` P.O.P. It is useq in hospitals as plaster for supporting fractured bones in right position.