Assertion : For the extraction of iron, haematite are is used. Reason : Haematite is a carbonate are is used
Haematite ore is conentrated by:
Assertion: Wrough iron is prepared from cast iron by oxidising impurities in a reverberatory furnace lined with haematite. Reason: Haematite oxidises carbon to carbon monoxide.
Iron is extracted from: (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite