Multiple choice

Which of the following sets represents oxides ores only?

  1. Chalcopyrite, Cassiterite and Malachite

  2. Magnetite, Pyrolusite and Cassiterite

  3. Pyrolusite, Magnetite and Malachite

  4. Malachite, Pyrolusite and Cassiterite

  5. Magnetite, Chalcopyrite and Pyrolusite
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Magnetite: Fe3O4 (Oxide ore) Pyrolusite:MnO2 (Oxide ore) Cassiterite: SnO2 (Oxide ore)

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