Question

what happens when copper sulphate crystals are heated and what is the colour of copper sulphate crystals before heating

Answer 1

What happens if the copper sulphate crystals taken into dry test ... The blue coloured copper sulphate crystals turns 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 hence it looses blue colour.