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Wolframite ore is separated from tin sto...

Wolframite ore is separated from tin stone ore by the process, called

A

calcination

B

electromagnetic separation

C

roasting

D

smelting

Text Solution

Verified by Experts

The correct Answer is:
B
Wolframite ore `[FeWO_4]` is present in tin stone as impurities and it has same mass per unit volume that of tin stone. So, it is separated by electromagnetic separator because wolframite is magnetic nature, hence it gets attracted by magnet while tin stone does not.
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