MCQOPTIONS
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| 1. |
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. |
| Answer» E. | |