The correct option is A True
In extraction of iron from haematite, first reduction is done to remove impurities. Fe2O3+3COReduction−−−−−−→2Fe+3CO2
And then to make steel form pig iron we use melting and oxidizing to remove impurities like C,Si,Mn and P.
2Mn+O2oxidation−−−−−→2MnO
Si+O2oxidation−−−−−→SiO2
MnO+SiO2→MnSiO3(slag)