Question

a few crystals of hydrated copper sulphate are heated in dry test tube and list any two observations ​

Answer 1

eq. CuS04.5H2O--------(heat)--- Cuso4+ H2O

observations..

1. after heating blue colour copper sulphate loses its colour and become white in colour..

2.on heating it looses it's water molecules attach to the solution earlier....

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Answer 2

Answer:

The colour of hydrated copper sulphate CuSO4. 5H2O 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.