Discussion Forum : General Principles And Process Of Isolation Of Elements
Question -


Which of the following statements is true about magnetic separation?

Options:
A .   It is used when only ores are magnetic in nature.
B .   It is used when only impurities are magnetic in nature
C .   It is used when both ores and impurities are magnetic in nature.
D .   It is used when either ore or impurities are magnetic in nature.
Answer: Option D
:
D
Electromagnetic separation is applicable when either the ore particles or the impurities are magnetic (attracted by a magnet) in nature. Electromagnets present in a rotor attracts magnetic particles forming a separate heap from non-magnetic particles.
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