Question

The metal that is purified by 'poling' method is :

Answer 1

This method is used to remove cuo from copper

Answer 2

The impure metal, usually in the form of molten blister copper, is placed in an anode furnace for two stages of refining. In the first stage, sulphur and iron are removed by gently blowing air through the molten metal to form iron oxides and sulfur dioxide.