Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous
copper sulphate accompanied by a change in color from:
(a). Blue to green
(b). Blue to white
(c). Blue to sky blue
(d). Blue to grey
copper sulphate accompanied by a change in color from:
(a). Blue to green
(b). Blue to white
(c). Blue to sky blue
(d). Blue to grey