Multiple choice

Which of the following is a pair of copper ores only?

  1. Azurite and haematite

  2. Haematite and malachite

  3. Haematite and magnetite

  4. Azurite and malachite

  5. Malachite and pyrolusite

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

Azurite Cu3(CO3)2(OH)2 and malachite Cu2CO3(OH)2 are ores of copper.