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Sulphide ores of metals are usually conc...

Sulphide ores of metals are usually concentrated by forth floation proces. Which one of the following sulphide ores offers an exception and is conventrated by chemical leaching'

A

Argentite

B

Galena

C

Copper pyrite

D

Sphalerite

Text Solution

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The correct Answer is:
D
Galena (PbS), copper pyrites `(CuFeS_(2))` and argentite `(Ag_(2)S)` are concentrated by froth floatation process but sphalerite (ZnS) is concentrated by chemical leaching.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-METALLURGICAL OPERATIONS -MCQ
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