Write down the reactions taking place in blast furnace related to the metallurgy of iron in the temperature range 500-800 K.
Chemical reaction occurring in blast furnance related to the metallurgy of iron in the temperature range 500-800 K are
(i) 3Fe2O3+CO⟶2Fe3O4+CO2
(ii) Fe3O4+4CO⟶3Fe+4CO2
(iii) Fe2O3+CO⟶2FeO+CO2