Froth-floatation method is successful in sepa | vedclass

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(D) The froth-floatation method is based on the principle of differential wettability of the ore and gangue particles by water and oil. In this proces

Vedclass · Accepted Answer

The pure ore is not as easily wetted by water as by pine oil,cresylic acid etc.

Vedclass · Answer

(D) The froth-floatation method is based on the principle of differential wettability of the ore and gangue particles by water and oil. In this process,the ore particles are preferentially wetted by the oil (collectors like pine oil),while the gangue (impurities) particles are preferentially wetted by water. Therefore,the pure ore is not as easily wetted by water as by pine oil,cresylic acid,etc.,which allows it to be carried to the surface in the froth.

Froth-floatation method is successful in separating impurities from ores because

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