Question

Write the chemical formulae of the main ore of iron.

Give the chemical names and formulae of the main ores of iron.

Write the chemical formulae of one main ore of iron.

Answer 1

Name	Chemical name	Formula
Red haematite	Anhydrous ferric oxide	\[\ce{Fe2O3}\]
Brown haematite	Hydrated ferric oxide	\[\ce{2Fe2O3.3H2O}\]
Magnetite	Triferric tetraoxide	\[\ce{Fe3O4}\]
Iron Pyrite	Iron disulphide	\[\ce{FeS2}\]