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Question

Gravity separation is also called ___ .

A
levitation
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B
levigation
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C
magnetic seperation
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D
distillation
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Solution

The correct option is B levigation
Gravity separation is also called levigation or hydraulic washing. Here, the lighter gangue particles are removed from heavier ore particles by washing in a water current. It is mainly used for oxide ores and carbonate ores based on their difference in densities of the ore particles and impurities.

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