Q.

The main reactions occurring in blast furnace during extraction of iron from haematite ore?

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a

Fe2O3+3CO⟶2Fe+3CO2

b

FeO+SiO2⟶FeSiO3

c

Fe2O3+3C⟶2Fe+3CO

d

CaO+SiO2⟶CaSiO3

answer is A.

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Detailed Solution

In extraction of iron from haematite ore, following reactions take place.(i) Fe2O3+3CO⟶2Fe+3CO2 This reaction represents reduction of Fe2O3 to Fe.(ii) CaO+SiO2⟶CaSiO3 (Slag)
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