Match the following iron ores with their formulae.
Name of oreFormulai) Magnetitea)Fe2O3ii) Haematiteb)FeS2iii) Spathic iron orec)FeCO3iv) Iron pyrited)Fe3O4
i→d,ii→a,iii→c,iv→b
The formula of 'Magnetite' is Fe3O4.
The formula of 'Haematite' is Fe2O3
The formula of 'Spathic iron ore' is FeCO3
The formula of 'Iron pyrite' is FeS2