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)