Question

What happens if we put copper sulphate crystals in water ?

Answer 1

The white solid turns blue in the presence of water

Answer 2

If Copper sulphate crystals are added to water it is called 'hydrated copper sulphate solution'.

If it is added to cold water then:-

it is more saturated

but if it is added to warm water then:-

it is unsaturated

and it turns bluish in colour in dissolving in water