Question:
The main reactions occurring in the blast furnace during the extraction of iron from
haematite are ________.
(i) Fe2O3 + 3CO → 2Fe + 3CO2
(ii) FeO + SiO2 → FeSiO3
(iii) Fe2O3 + 3C → 2Fe + 3CO
(iv) CaO + SiO2 → CaSiO3
Solution:
Option (i) and (iv) are the answers