Question

making impure copper sulphate in pure copper sulphate by crystallization​

Answer 1

Answer:

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.

Answer 2

cuso4 has 2 forms it's one form is cuso4 I.e anyhdrous copper sulphate 2nd form is dehydrous in which cuso4 contain 5 molecules of water of crystallisation. so when cuso4 is added to water it becomes the following cuso4 . 5h2o and all the impure removes ..