Blister Cu is about___________.

60% Cu

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90% Cu

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98% Cu

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100% Cu

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Solution

The correct option is B 98% Cu
Blister Cu is about 98% Cu. It is obtained in the Bessemer converter by the self reduction of $C u_{2} S$ . The impurity is $C u_{2} O$ .
Option C is correct.

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Solidified $C u$ obtained from the reverberatory furnace has blistered appearance. This is due to:

Name the process used for the formation of blister $C u$ by following reaction :(unbalanced reactions)

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C u_{2} O + C u_{2} S \to C u + S O_{2}

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