Question

How can you obtain pure Alumina from bauxite ore associated with TiO2?​

Answer 1

On refining bauxite by Bayer's method, pure aluminium oxide is obtained which is also called alumina. Iron oxide does not dissolve in sodium hydroxide. Hence, it can be removed by filtration.

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Answer 2

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On refining bauxite by Bayer's method, pure aluminium oxide is obtained which is also called alumina. Iron oxide does not dissolve in sodium hydroxide. Hence, it can be removed by filtration.