Question

what is the observation

Blue copper sulphate crystals are heated.

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Answer 1

Answer:

Blue copper sulphate is heat it changes to copper into copper The colour of hydrated copper sulphate CuSO_4.5H_2OCuSO

4

.5H

2

O is blue that turns into white, when heated at high temperature in a test tube, due to the loss of water molecules from copper sulphate.

Answer 2

Answer:

The blue coloured copper sulphate crystals turn white due to the loss of water molecules.The formula of copper sulphate is CuSO4.5H2O.When copper sulphate is heated it looses Water molecules and looses blue color.