Question

what is meant by water of crystallization give examples of salts with water of crystallization and their uses​

Answer 1

number of water molecules attached to one formula unit is called water of crystallization

for example  CaSO4.1/2H2O  i.e., pop

             uses :  1)  it is used for fixing fractured bones

                        2) it is used for making toys

                        3) it is used for making surfaces smooth