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Question

The carbonate ore (XCO3) of a highly active metal X (heavy and non-magnetic) is given. Which process can be used for the concentration of ore?

A
Hydraulic washing
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B
Froth floatation
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C
Leaching
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D
Magnetic separation
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Solution

The correct option is A Hydraulic washing
Since XCO3 is a carbonate ore (heavy ore) and X is non-magnetic, hydraulic washing is the most suitable method due to the difference in the densities of the metal carbonate and the impurities.

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