Cassiterite is concentrated by levigation or electromagnetic separation ???

8. Cassiterite is concentrated by. 
(a) liquefaction.
(b) floatation
(c) electromagnetic separation.
(d) levigation. 

Dear Student,

Correct answer is option C) 
 

Electromagnetic separation


Cassiterite SnO2 or tinstone - an ore of tin being non-magnetic can be separated from magnetic impurities like Fe and Mn from this method.

Regards,

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