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  4. The role of depressants in Froth Flotation method* is to

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Q. The role of depressants in Froth Flotation method* is to

JEE MainJEE Main 2022General Principles and Processes of Isolation of Elements

Solution:

Depressant prevent one component from coming to the froth.
For eg., in Galena ore, the depressant $(NaCN) $ prevents impurity $(ZnS) $ from coming to the froth.