How do we separate two sulphide ores by froth floatation method?

By using excess of pine oil.

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By adjusting proportion of oil to water or using depressant.

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By using collectors and froth stabilities like xanthates.

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By using some solvent in which one of the sulphides is soluble.

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Solution

The correct option is C By adjusting proportion of oil to water or using depressant.
By using depressants or adjusting proportion of oil to water, selective prevention of one sulphide ore from coming to the froth is possible.

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Question 33
How do we separate two sulphide ores by froth floatation method?
Explain with an example.

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