1.

Extractionof copperfrom copperpyrite (CuFeS_2)involves

Answer»

crushingfollowedby concentrationoftheoreby froth- floatation
REMOVAL of iron as slag
self - REDUCTION stepofproduceblistercopper followingevolutionof`SO_ 2`
refiningof blistercopper reduction

Solution :Refiningof blistercopper iscarriedoutbyelectrolyticrefining. Thusoption (d)iswrongwhileall otheroptionsarecorrect.


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