MetallurgyHardBloom L3

Question

The chief reaction(s) occurring in blast furnace during extraction of iron from haematite is(are)

Options

A.Fe2O3 + 3CO → 2Fe + 3CO2
B.FeO + SiO2 → FeSiO3
C.Fe2O3 + C → 2Fe + 3CO
D.CaO + SiO2 → CaSiO3

Solution

Sol. Reduction of Iron by carbon reduction method:

Fe2O3 + CO → Fe3O4 + CO2­

Fe2O4 + CO → Fe + CO2­

CaO + SiO2 → CaSiO3(slag)

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