Question

name the process used to obtain pure copper sulphate from unpure sample

Answer 1

hey

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. You will obtainthe crystals of copper sulphate in the china dish.

Answer 2

The process name is electrolytic reduction of their molten chlorides.....

Hope this would help you...