1.

Identify the process given in following passage and draw neat labelled diagram showing the process. Electrolysis of molten mixture of alumina (melting point > 20000C) is done in a steel tank. The tank has a graphite lining on the inner side. This lining does the work of a cathode. A set of graphite rods dipped in themolten electrolyte works as anode. Cryolite (Na3AlF6)and fluorspar (CaF2)are added in the mixture to lower its melting point upto 10000C.

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