Which of the following method is not used for the concentration of Bauxite ore?
A
Serpeck's method
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B
Baeyer's method
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C
Hoope's method
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D
Hall'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 concentration of bauxite ore.