Which of the following salt has a blue colour and why?CuSO₄.5H₂O or CuSO₄.

CuSO₄.5H₂O has blue colour due to the presence of water of crystallization. On heating, it loses its water of crystallization and becomes anhydrous copper sulphate CuSO₄ which is a white powder.
 

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Updated on: 10-Oct-2022

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