Q. Which is the chief ore of copper?

A) Galena
B) Copper pyrites
C) Sphalerite
D) Siderite
Explanation

(b)
The chief ore of copper is copper pyrite, $CuFeS_{2}$.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.