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Baeyer's Process

The impurity ...

Question

The impurity in white bauxite is:

A

F e O

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B

F e_{2} O_{3}

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C

S i O_{2}

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D

A l C l_{3}

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Solution

The correct option is D $S i O_{2}$
$S i O_{2}$ is the impurity in white bauxite. The white colour of this kind of bauxite ore is also due to this impurity, which itself is white in colour.

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