The common impurities present in bauxite ore are ________
A
Fe2O3andCuO
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B
Fe2O3andPbO
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C
TiO2andSiO2
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D
SiO2andCuO
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Solution
The correct option is CTiO2andSiO2 The principal ore of aluminium, bauxite, usually contains titanium oxide (TiO2), iron oxide and silicon dioxide (SiO2) as impurities. Hence, correct option is (c).