Which of the following property of frothing action is very useful...

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Which of the following property of frothing action is very useful in froth floatation technique?

A. frothers should not be soluble in water

B. frothers would be distributed very unevenly in an aqueous solution

C. frothers with amino group and sulpho group is preferred

D. frothers should have the ability to adsorb on the air-water interface to reducing surface tension and stabilizing air-bubble

Answer: Option D

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