Question

Strong heating of copper sulphate gives a residue of 1. CuO 2. Cu2O 3. Neither Cu2O and CuO 4. Both Cu2O and CuO

Answer 1

CuSO4 • 5H2O. -> CuSO4 + 5 H2O.

3.Neither Cu2O and CuO

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Answer 2

Answer:

Copper sulphate crystals which seem to be dry contain water of crystallization. When we heat the crystals, this water is removed and the salt turns white. If you moisten the crystals again with water, you will find that blue colour of the crystals reappears.