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Question

Which method of seperation is also known as gravity seperation?

A
Hydraulic washing
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B
Magnetic seperation
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C
Froth floatation
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D
Leaching
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Solution

The correct option is A Hydraulic washing
Principle: Hydraulic washing seperation method depends upon the difference in the gravity of mineral and gangue.
An upward​ stream of running water is used to​ wash the powdered ore​; Lighter gangue particles are washed away ​and heavier ores are left behind. It is also known as gravity seperation.

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