Hydraulic washing is based on the differences in ___________ of the ore and gangue particles.

specific gravities

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mass

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type of material

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none of these

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Solution

The correct option is A specific gravities
Hydraulic washing is a type of gravity separation, which is based on gravity differences between the ore and the gangue particles. In this process, the lighter gangue particles are washed away by a stream of water, leaving behind the heavier ore.

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Can we call a gangue a mineral or ore or both or gangue is different from both.

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