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Sulphide ores of metals are usually concentrated by both floatation process. Which of the following sulphide ores offers an exception and is concentrated by chemical leaching ?A. ArgentiteB. GalenaC. Copper pyriteD. Sphalerite |
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Answer» Correct Answer - D Galena (PbS), copper pyrite `(CuFeS_2)` and argentite `(Ag_2S)` are concentrated by froth floatation process but sphalerite (ZnS) is concentrated by chemical leaching . |
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