Q. The ore that is concentrated by forth floatation process is

A) Zincite
B) Cinnabar
C) Bauxite
D) malachite
Explanation

(b)
Cinnabar (HgS) is a sulphide ore, hence it is concentrated by forth floatation process

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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