MetallurgyHard
Question
The process of removing lighter gangue particles by washing in a current of water is called :
Options
A.levigation
B.liquation
C.leaching
D.cupellation
Solution
Lighter gangue particles are washed in a current of water by a process called levigation. In levigation the powdered ore is agitated with water or washed with a upward stream of running water, the lighter particles of sand, clay etc are washed away leaving behind heavier ore particles.
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