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After partial roasting, the sulphide of ...

After partial roasting, the sulphide of copper is reduced by

A

Reduction by carbon

B

Electrolysis

C

Self–reduction

D

Cyanide process

Text Solution

Verified by Experts

The correct Answer is:
C
Self reduction : Reduction of oxide ore of a metal by its own sulphide `2Cu_(2)O +Cu_(2)S rarr 6Cu + SO_(2)`.
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ERRORLESS-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-NCERT BASED QUESTIONS (Reduction of Free Metal)
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