Question

C-2.8
How can pure copper sulphate be obtained from an impure sample?​

Answer 1

Heya!

Take some (approximately 5 g) impure sample of copper sulphate in a china dish. Filter the impurities out.Evaporate water from the copper sulphate solution so as to get a saturated solution. Cover the solution with a filter paper and leave it undisturbed at room temperature to cool slowly for a day.

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