Question

Cassiterite is concentrated by.

• A. Levigation
• B. Electromagnetic separation
• C. Floatation
• D. Liquifaction

Answer 1

Answer: (B)

Electromagnetic separation

Answer 2

Cassiterite $SnO_{2}$ or tinstone – an ore of tin being non-magnetic can be separated from magnetic impurities like Fe and Mn from this method.