A) froth floatation
B) zone refining
C) electromagnetic separation
D) gravity separation
Correct Answer: A
Solution :
[a] Electromagnetic separation method of concentration is employed when either the ore or the impurities associated with it are magnetic in nature. Tinstone or cassiterite \[(Sn{{O}_{2}})\] an ore of tin being non-magnetic can be separated from magnetic impurities\[(FeW{{O}_{4}}).\]You need to login to perform this action.
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