What is a flux? What is the role of flux in the metallurgy of iron and – InterviewSolution

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1.	What is a flux? What is the role of flux in the metallurgy of iron and copper?
Answer» Solution :Flux is a substance which COMBINES with gangue in the ORE to form SLAG. Slag seprates more easily from the ore than the gangue. Removal of gangue thus becomes easier. The ore is HEATED in a reverberatory furnace after mixing with silica. Iron oxide slags of as iron silicate and copper is produced in the form of copper matte. This contains `Cu_(2)S" and "FeS`. `{:(FeO+SiO_(2) to FeSiO_(3)),("Slag"):}`.

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