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The impurity ...

Question

The impurity which separates out on addition of a conc. soln. of alkali to impure bauxite is:

A

P b O

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B

F e_{2} O_{3}

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C

C u O

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D

Z n O

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Solution

The correct option is B $F e_{2} O_{3}$
$F e_{2} O_{3}$ as

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