Class 12 Chemistry General Principles and Processes of Isolation of Elements Reduction to free Metal

Medium

In the extraction of copper from its sulphide ore,metal is finally obtained by the oxidation of cuprous sulphide with

JEE MAIN 2018 All JEE MAIN

A
$SO_2$
B
$Fe_2O_3$
C
$Cu_2O$
D
$CO$

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Reduction to free Metal

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In the metallurgy of zinc,the zinc dust obtained from roasting and reduction of zinc sulphide contains some $ZnO$. How is this removed?

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In the process of extraction of gold,
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In the metallurgy of $Zn$,flux is not used because

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