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Question

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

A
Haematite
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B
Magnetite
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C
Limonite
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D
Copper pyrites
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Solution

The correct options are
A Haematite
B Limonite
C Magnetite
Haematite - Fe3O3
Magnetite - Fe3O4
Limonite - Fe2O3.3H2O
Copper pyrite - CuFeS2
Copper pyrite is not regarded as iron ore,it is regarded as copper ore.
So correct answers are A, B, C.

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