Which of the following processes is not a physical process of separation?

Levigation

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Magnetic separation

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Leaching

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Froth floatation

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Solution

The correct option is C
Leaching

Except leaching, in all the remaining options, physical properties of the ore or gangue are used for the process of separation of ore and gangue. In leaching, the ore is treated with chemicals to separate it from gangue.

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Similar questions

The ore which is not concentrated by froth floatation but concentrated by leaching ? Exception to froth flotation .

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