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In the leaching of alumina from bauxite,...

In the leaching of alumina from bauxite, the ore expected to leach out in the process by reacting with NaOH is :

A

`TiO_(2)`

B

`Fe_(2) O_(3)`

C

`ZnO`

D

`SiO_(2)`

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Extraction of aluminium from bauxite ore, reduction is carried out by :

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