Which method for the concentration of ore is depicted below?

Froth floatation

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Magnetic separation

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Gravity separation

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Washing

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Solution

The correct option is B Magnetic separation
If one of the constituents among the ore and the gangue is magnetic in nature, the method known as magnetic separation can be used for concentration of ore. In this process, the non-magnetic constituent will fall from the moving belt as shown and the magnetic ore will be dropped a little away.
Iron ores can be concentrated using this method.

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For which ore of the metal, froth floatation method is used for concentration?

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