Multiple choice

Which of the following are the ores of iron?

  1. Orpiment
  2. Marcasite
  3. Haematite
  4. Magnetite

  1. 1 and 2

  2. 2 and 3

  3. 3 and 4

  4. 1, 2 and 3

  5. 2, 3 and 4
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The ores of iron are: Marcasite or iron pyrite (FeS2): sulphide ore Haematite (Fe2O3): oxide ore Magnetite (Fe3O4): oxide ore Orpiment (As2S3) is the sulphide ore of arsenic.

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