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How is alumina converted to aluminium?(a) Heating(b) Cooling(c) Electrolytically using an aluminium smelting cell(d) Adding cokeThis question was posed to me in quiz.This question is from Aluminum topic in chapter Metallurgical Industries of Chemical Technology

Answer»

Right answer is (c) Electrolytically using an aluminium SMELTING cell

Best explanation: Alumina is periodically reduced to aluminium by electrolysis. A MOLTEN CRYOLITE bath is maintained at 1000°C. Reduction takes PLACE at the GRAPHITE anodes.



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