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The process of removing light gangue par...

The process of removing light gangue particles by washing in a current of water is called

A

levigation

B

gravity separation

C

hydraulic washing

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
d
The method of levigation or hydraulic washing is based on the difference in specifigravites (or densities )of the ore and a grangue particles it is also no as gravity sepration method .
In one of the adaptations , the powdered ore is washed with an upward stream of running water when the lighter gangue particles are washed away while the hahiar ore particles (cuncentrate from) are left behind .
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