Q. The process of heating the ore strongly in excess of air so that the volatile impurities are removed and the ore is changed to oxide is known as

A) Leaching
B) Roasting
C) Calcinations
D) Froth floatation
Explanation

The correct answer is Option B: Roasting.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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