Question

What happens when crystalline CuSO4 is heated?write the colour of the new substance formed.​

Answer 1

Answer:

Cupric sulfate is a salt created by treating cupric oxide with sulfuric acid. This forms as large, bright blue crystals containing five molecules of water (CuSO4∙5H2O) and is also known as blue vitriol. The anhydrous salt is created by heating the hydrate to 150 °C (300 °F).

Answer 2

Answer:

The copper sulphate crystals CuSO4. 5H2O contain 5 water molecules which are known as water of crystallization. When we heat the crystals, these water molecules are removed and the salt turns white. If we moisten the crystals again with water, the blue colour of the crystals reappear.

Explanation:

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