Question

What is water of crystallisation? Explain me in simple meanings , no copying of text. Best answer will be marked BRAINLIEST.

Answer 1

Water of crystallisation is the number of water molecules that combine chemically in definite molecular proportion, with the concerned salt in the crystalline state. This water is responsible for the geometric shape and colour of the crystals.

For example: the CuSO4.5H2O

 This compound has 5 molecules of water of crytsallisation.

Answer 2

some salts while crystallising out from their solution unite with a definite quantity of water,which is known as water of crystallisation.