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By which of the following reactions is copper obtained?

$ (a)\;Cu_2S+Feo \longrightarrow 2Cu+FeS_2 \\(b)\;Cu_2S+Fe \longrightarrow Fe^2+Cu \\(c)\;Cu_2S+Feo \longrightarrow 2Cu+FeO \\ (d)\;Cu_2S+2Cu_2O \longrightarrow 6Cu+So_2 $

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$Cu_2S+2Cu_2O \longrightarrow 6Cu+So_2 $ is correct
Hence d is the correct answer.
answered Mar 15, 2014 by meena.p

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