The main reactions occurring in blast furnace during extraction of ...

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The main reactions occurring in blast furnace during extraction of iron from haematite are
(i) \( \mathrm{Fe}_{2} \mathrm{O}_{3}+3 \mathrm{CO} \longrightarrow 2 \mathrm{Fe}+3 \mathrm{CO}_{2} \)
(ii) \( \mathrm{FeO}+\mathrm{SiO}_{2} \longrightarrow \mathrm{FeSiO}_{3} \)
(iii) \( \mathrm{Fe}_{2} \mathrm{O}_{3}+3 \mathrm{C} \longrightarrow 2 \mathrm{Fe}+3 \mathrm{CO} \)
(iv) \( \mathrm{CaO}+\mathrm{SiO}_{2} \longrightarrow \mathrm{CaSiO}_{3} \)
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