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

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

(I) Fe2O3 + 3CO → 2Fe + 3CO2 

(II) FeO + SiO2 → FeSiO3 

(III) Fe2O3 + 3C → 2Fe + 3CO 

(IV) CaO + SiO2 → CaSiO3 

(a) I, II and IV 

(b) I and IV 

(c) I, III and IV 

(d) II and III

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Best answer

Correct option (b)

Explanation:

In the blast furnace during extraction of iron, following are the main reactions :

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