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19-05-2020
Chemistry

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What happens to the copper sulphate crystals when they are heated that causes them to change color?

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19-05-2020

Answer:

Heating the CuSO4. 5H2O crystals causes then to loose the water of crystallisation that is the 5H2O part. It becomes anhydrous copper sulphate. Its colour changes to white from blue.

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