Science, asked by sinchu7151, 1 year ago

090
a) Explain the method of extraction of Alumina from Aluminium

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Answered by Anonymous

Bauxite ore is a mixture of hydrated aluminium oxides and compounds of other elements such as iron. ... After separation of the residue by filtering, gibbsite is precipitated when the liquid is cooled and then seeded with fine-grained aluminum hydroxide crystals from previous extractions.

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