Question

name the process used to obtain pure copper sulphate from its impure from

Answer 1

Roasting is the process used to obtain copper oxide from copper sulphide then copper oxide is reducted to obtain pure copper

Answer 2

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Copper sulphate is purified by the method of by the process of electrolysis. Anode ( the positively charged terminal ) is made up of impure metal & Cathode ( the negatively charged terminal ) is made up of pure metal. On passing the current in the solution of the metal salt , the pure metal dissolve into the electrolyte , which then gets deposited on cathode , the soluble impurity go into the solution , whereas the insoluble impurity settle down.
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