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The collectors like pine oil xanthates and fatty acidesare used during froth-floatation process of concentration of ores to

$ (a)\;\text{Collect the final froth from the surface} \\(b)\;\text{Enhance the non-wettability of ore particles.} \\(c)\; \text{To get the purest form.} \\ (d)\;\text{ To remove the impurities in them.} $
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The ore particles should not be wetted by water.
Hence b is the correct answer.
answered Mar 20, 2014 by meena.p
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