Multiple choice

Which of the following is a set of only carbonate ores?

  1. Cassiterite, chromite and hematite

  2. Chalcopyrite, argentite and bornite

  3. Dolomite, magnesite and malachite

  4. Chromite, argentite and magnesite

  5. Hematite, bornite and malachite

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

All are carbonate ores.

Dolomite: CaMg(CO3)2 Magnesite: MgCO3 Malachite: Cu2CO3(OH)2