Q. Sulphide ores are generally concentrated by
A) Hand picking
B) Forth floatation process
C) Gravity separation
D) Magnetic separation
Explanation
(b)
Forth floatation method is based on the fact that the surface of sulphide ores is preferentially wetted by oil while that of gangue is wetted by water
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.