Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to___________________? | MCQ Hive

Chemical Engineering

Q Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to___________________?

A A. Achieve very high purity of aluminium (99.9%)
B B. Keep the electrolyte in liquid condition by the generation of heat
C C. Electrolytically dissociate alumina
D D. Both b. & c.

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