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  4. Froth-flotation method is best used for concentrated of which of the following ore?

Q. Froth-flotation method is best used for concentrated of which of the following ore?

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Solution:

Here only Galena is (a sulphide ore). Cassiterite is (oxide ore). Magnetite is (Oxide ore) and Malachite is (Carbonate ore). The froath floatation process is used to concentrate sulphide ores, based on preferential wetting properties with froating agent and water.

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