Q. Which of the following is a carbonate ore?
A) Pyrolusite
B) Diaspore
C) Cassiterite
D) Malachite
Explanation
(d)
Pyrolusite $- \ \ \ MnO_{2}$
Malachite $- \ CuCO_{3}.Cu(OH)_{2}$
Diaspore $- Al_{2}O_{3}.H_{2}O$
Cassiterite $- SnO_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.