Q. Which one of the following ores is best concentrated by froth-floatation method?
A) Magnetite
B) Cassiterite
C) Galena
D) Malachite
Explanation
(c)
Froth-floatation is used to concentrate sulphide ores $\lbrack$Galena$\ ($PbS$)\rbrack$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.