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Q.

Impurity present in red bauxite is

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a

Al2O3

b

Fe2O3

c

ZnO

d

SiO2

answer is B.

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Detailed Solution

Bauxite is a sedimentary rock and is the prime source of aluminum and gallium. There are two types of bauxites, red bauxite and white bauxite.

Chief impurity in red bauxite is Fe2O3 (ferric oxide) and Chief impurity in white bauxite is SiO2.

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