Define Hydrated salt .

Write the observations, when the hydrated salt or unhydrated salt is heated.

Anhydrous AlCl_(3) cannot be prepared by heating hydrated salt. Why?

10 g of a hydrated salt of BaCI_2 was dissolved in one litre water. The solution was then treated with 1.65 litre of 0.05 N AgNO_3 till complete precipitation. The number of water molecules in hydrated salt are :

The salt formed by removal of water of crystallization from hydrated salt is called ________ .