Question

The ore of aluminium is bauxite which is impure aluminium oxide. Alumina, pure aluminium oxide, is obtained from bauxite. Aluminum is formed at the cathode when a molten mixture of alumina and cryolite is electrolysed

Answer 1

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alumina and cryolite make it conductive the electrolyte .

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Answer 2

Answer:

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• Aluminium is a highly reactive metal, belonging to the IIIA group of the periodic table. In nature, aluminium is found in the form of its oxide in its ores. The important ores of aluminium are -

• Bauxite – Al2O3.2H2O
• Bauxite – Al2O3.2H2OCorundum – Al2O3
• Bauxite – Al2O3.2H2OCorundum – Al2O3Cryolite – Na3AlF6

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