General Principles and processes of Isolation of Elements
medium

 કઈ પદ્ધતિનો ઉપયોગ કરીને કોપર સલ્ફાઇડ માંથી કોપર બનાવવામાં આવે છે

A

કાર્બન રીડક્ષન

B

કાર્બન મોનોક્સાઇડ રીડક્ષન

C

ઓટો રીડક્ષન

D

આપેલ પૈકી એક પણ નહીં

Solution

The copper can be extracted from its sulphide ore by the auto reduction process.

The ore is reduced by heat alone.

$Cu _2 S + O _2 \rightarrow 2 Cu + SO _2$

The copper and the oxygen have been reduced (decrease in oxidation state). The sulphur has been oxidised (increase in oxidation state). The reducing agent is the sulphide ion in the copper($I$) sulphide.

Standard 12
Chemistry

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