How is copper extracted from copper glance
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Copper is extracted from its principal ore copper pyrites (CuFeS2). The oreis concentrated by froth flotation process. The concentrated ore is roasted in a reverberatory furnace when the following reactions occur.
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Answer:
1. Roasting of copper glance :
2Cu₂S + 3O₂ → 2Cu₂O + 2SO₄
2.Reduction of copper oxide:
2Cu₂O + Cu₂S → 6Cu + SO₂
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