Question

Heat CuSO4 what is d color before n after heating also mention d source of liquid droplets formed in d test tube while heating?

Answer 1

CuSO4(white) contains water of crystallization and the actual formula for the crystal is CuSO4.5H2O(blue)
when we heat it....this water get removed from the crystal and you observe liquid droplets in test tube.

Colour change is as follow
Blue to White

Thanks