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Question

If both ore and gangue contain sulphur then ___ is used to separate ore from gangue in the froth flotation process.


A

Froth stabilizers

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B

oils

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C

depressants

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D

Any of the above.

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Solution

The correct option is C

depressants


Generally, if two or more sulphides are present in the ore then the depressants are used for formation of the froth of selective compounds.


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