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Question

Sulphide ores of metals are usually concentrated by froth floatation process. Which one of the following sulphide ores offers an exception and is concentrated by chemical leaching?

A
Argentite
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B
Galena
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C
Copper pyrite
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D
Sphalerite
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Solution

The correct option is D Sphalerite
Sphalerite is concentrated by chemical leaching.

Hence, the correct option is D.

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