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Question

Method used to refine Aluminium metal is:

A
Baeyer's method
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B
Hall's method
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C
Serpeck's method
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D
Hoope's method
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Solution

The correct option is C Hoope's method
Hoope's method is used in electrolytic refining of Al (electrolysis of alumina). All other methods are used for the concentration of bauxite ore.

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