In froth floatation process, gangue particles are wetted by pine oil.

True

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In froth floatation process, gangue particles are wetted by pine oil.

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Text solutionVerified

Froth flotation is a process to purify sulfide ores, in presence of pine oil. The oil acts as hydrophobic agent and forms froth with hydrophobic impurities (gangue) which is skimmed off from the surface leaving behind the concentrated mineral.

Wet pine oil is used in froth flotation process because it does not have an affinity towards water (because of the hydrophobic chemicals as its constituents)and it attracts impurities which can be washed away.

Hence, it is true.

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