Question

change observed in the process of removing water from copper sulphate

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Answer 1

Answer:

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Explanation:

Hydrous CuSO4 is not a bond. Therefore, when you heat copper sulfate crystals, the water evaporates leaving behind anhydrous copper sulfate which is white in colour. There are no bonds breaking or forming (the definition of a chemical change) and so it is a physical change

Answer 2

Answer:

On removing water from hydrated copper sulphate the blue colour of the salt is lost and it turns into white colour.

CuSO4.5H2O --> CuSO4 + 5H2O

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