Question

when crystals of copper sulphate are strongly heated, the residue obtained is.........

Answer 1

HELLO FRIEND!

When crystals of copper sulphate is strongly heated,

Water droplets appear on the cooler parts of the test tube.

Copper sulphate (anhydrous) is formed.

Reaction:
CuSO₄.5H₂O --------> CuSO₄ + 5H₂O


Note:
Original colour of copper sulphate crystals were blue.
Colour of anhydrous copper sulphate is white.

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