Electromagnetic separation is used in the concentration of

Options

(a) copper pyrites
(b) bauxite
(c) cassiterite
(d) cinnabar

Correct Answer:

cassiterite

Explanation:

Electromagnetic separation is used when either the ore or the impurities associated with it are magnetic in nature . For example, Cassiterite (SnO₂, tinstone) an ore of tin (non – magnetic) is separated from impurities of ferrous tungstate(wolframite,FeWO₄) which are magnetic in nature.