Which of the following statements is true about magnetic separation?

It is used when only ores are magnetic in nature.

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It is used when only impurities are magnetic in nature

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It is used when both ores and impurities are magnetic in nature.

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It is used when either ore or impurities are magnetic in nature.

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Solution

The correct option is D It is used when either ore or impurities are magnetic in nature.
Magnetic separation is applicable when either the ore particles or the impurities are magnetic (attracted by a magnet) in nature. Magnets present in a rotor attracts magnetic particles forming a separate heap from non-magnetic particles.

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Similar questions

Properties of ores	Properties of the impurities present in the ore	The method of concentration
High density	Low density	........................
Magnetic in nature	Non-magnetic nature	........................
Lighter sulphide ores	High density	........................
Aluminium ores that get dissolved in a solution	Insoluble in the same solution	.......................

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