Question

State the need of refining metals

Answer 1

there is no metal which is obtain purely when taken out of the earth. thats why by the process of refinig metals we remove the impurities which came along with a particular metal....it is necessary because without removing this impurities we cant use a particular metal for our need.....

Answer 2

the process of purifying impure metal is called refining metal.. the most important and most widely used methord for refining impure metal is also called as electrolyic refining.