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  4. In the extraction of copper from its sulphide ore, the metal is formed by reduction of Cu2O with

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Q. In the extraction of copper from its sulphide ore, the metal is formed by reduction of $ Cu_{2}O $ with

Uttarkhand PMTUttarkhand PMT 2007

Solution:

Copper is obtained by self reduction or self electronation or auto reduction as shown below
$2 C u_{2} O+C u_{2} S \rightarrow 6 C u+S O_{2} \uparrow$