Question

Which of the following is a carbonate ore.

• A. Pyrolusite
• B. Malachite
• C. Diaspore
• D. Cassiterite

Answer 1

Answer: (B)

Malachite

Answer 2

Pyrolusite – MnO₂

Malachite ­– CuCO₃.Cu(OH)₂

Diaspore – Al₂O₃.H₂O

Cassiterite – SnO₂