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Q.

The common impurities present in the bauxite ore are

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a

Fe2O3 and CuO

b

CuO and SiO2

c

Fe2O3 and SiO2

d

Fe2O3 and PbO 

answer is C.

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Detailed Solution

The principle ore of Aluminium is Bauxite.

 Bauxite contains Iron oxide (Fe2O3  d Silicon di oxide(SiO2) as impurities.

  

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