Q. Which one of the following is a mineral of iron?
A) Magnetite
B) Malachite
C) Cassiterite
D) Pyrolusite
Explanation
[Solution from source] Magnetite, Fe₃O₄, is an iron ore. Malachite is a copper ore (CuCO₃·Cu(OH)₂), cassiterite is tin ore (SnO₂) and pyrolusite is manganese ore (MnO₂). Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.