The principle behind froth flotation is :

preferential wetting of ore and gangue particles

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difference in specific gravity of ore and gong no particles

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magnetic properties of ore and gangue

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electrical properties of ore particles

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Solution

The correct option is A preferential wetting of ore and gangue particles
Froth floatation is used for those metals whose ore gets preferably wetted by the oil and the gangue by the water.

The sulphide ores preferably wetted by the oil and the gangue with the water.

Hence, option A is correct.

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Similar questions

The principle behind froth floatation method involves the difference in the ________of the ore and the gangue particles.

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

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