Q.

Iron is extracted from -

A. Cinnabar
B. Haematite
C. Bauxite
D. Dolomite
Answer» B. Haematite
Explanation: Haematite is mined as the main ore of iron. It is harder than pure iron, but much more brittle. It is coloured black to steel or silver-gray, brown to reddish brown, or red.
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