Write down the 5 reactions in the blast furnace for the extraction of iron from haematite.

C (s) + O2 (g) –> CO2 (g)

CaCO3 (s) –> CaO (s) + CO2 (g)

C (s) + CO2 (g) –> 2CO (g)

Fe2O3 (s) + 3CO (g) –> 2Fe (l) + 3CO2 (g)

CaO (s) + SiO2 (s) –> CaSiO3 (l)