Chemistry, asked by nborania, 1 year ago

Why blue colour of copper sulphate crystals disappers on heating?

Answers

Answered by ayesha123

However, when copper sulphate is heated for some time, the blue colour disappears and it becomes white-gray in colour. This is because the water molecules are lost on heating and copper sulphate pentahydrate is converted to anhydrous copper sulphate.

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Answered by prnjalgrg

their blue color is due to water of crystallisation attached to them but when we heat them water gets converted into steam rising up leaving crstals colorless

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