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. Achieve very high purity of aluminium (99.9%)
b. Keep the electrolyte in liquid condition by the generation of heat
c. Electrolytically dissociate alumina
d. Both B. & C.
No explanation is available for this question!
