Which of the following is the formula of the iron ore 'Haematite'?
Match the following iron ores with their formulae.
Name of oreFormulai) Magnetitea)Fe2O3ii) Haematiteb)FeS2iii) Spathic iron orec)FeCO3iv) Iron pyrited)Fe3O4
In the extraction of Iron from Haematite Fe2O3, the ore is calcinated before smelting – True or False?
In the extraction of Iron from Haematite Fe2O3, the ore is calcinated before ______ .
Which of the following is an iron ore? (a) chnnabar (b) calamine (c) haematite (d) rock salt