Question

What type of matter of heated white powder of blue vitriol?

Answer 1

Answer:

Explanation:

when we heat blue vitriol (hydrated copper sulphate) (CuSo4. 5H2O), the water of crystallization evaporates leaving anhydrous copper sulphate that is powdery in nature.

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Answer 2

Answer:

The hydrated copper sulphate decomposes to give oxides of copper and sulphur.Now, when a drop of water is added to this “White Powder”, it changes back to blue colour.