MetallurgyHardBloom L3

Question

Which of the following is(are) regarded as iron ores?

Options

A.Haematite

B.Magnetite

C.Limonite

D.Copper pyrites

Solution

Sol. Haematite - Fe₂O₃

Magnetite - Fe₃O₄

Limonite - Fe₂O₃·3H₂O

Copper pyrites - CuFeS₂

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