Question

electralatic reduction of aluminium

Answer 1

The electrolysis of alumina is carried out in a steel tank lined inside with graphite. The graphite lining serves as  

    cathode. Anode is also made of graphite rods hanging in the molten mass.

   The electrolyte consists of alumina dissolved in fused Cryolite(Na3AlF6) and Fluorspar(CaF2).

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