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(C) Electromagnetic separation is a method used for the concentration of ores where either the ore or the impurities are magnetic in nature.Cassiterit

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Cassiterite

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(C) Electromagnetic separation is a method used for the concentration of ores where either the ore or the impurities are magnetic in nature.Cassiterite $(SnO_2)$ is the ore of tin. It is often associated with magnetic impurities like wolframite ($FeWO_4$ and $MnWO_4$).Since the impurities are magnetic,electromagnetic separation is used to remove them from the non-magnetic cassiterite ore.

Electromagnetic separation is used in the concentration of

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Cassiterite is concentrated by

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