from the following ores is iron extracted? I. Haematite ll. Bauxite III. Magnetite IV. Cassiterite
Answer Details
Iron is extracted from haematite (Fe2O3) and magnetite (Fe3O4) ores. Bauxite (Al2O3), on the other hand, is an ore of aluminum, while cassiterite (SnO2) is an ore of tin. Therefore, the correct option is (b) l and lll only.