Extraction of zinc from zinc blende is achieved by

English

Gujarati

Hindi

General Principles and processes of Isolation of Elements

easy

Extraction of zinc from zinc blende is achieved by

A

Electrolytic reduction

B

Roasting followed by reduction with carbon

C

Roasting followed by reduction with another metal

D

Roasting followed by self-reduction.

Solution

The extraction of zinc from zinc blende is carried out by first roasting and then reduction with Carbon.

Roasting: $2 ZnS +3 O _2 \rightarrow 2 ZnO +2 SO _2:$

Reduction with Carbon: $ZnO + C \stackrel{>\,1270\,K }{\longrightarrow} Zn + CO$

Standard 12

Chemistry

Share

Similar Questions

Which of the following statements is correct regarding the slag formation during the extraction of a metal like copper or iron.

easy

Step which is involved in the extraction of $Pb$ from galena

easy

The process of the isolation of a metal by dissolving the ore in a suitable chemical reagent followed by precipitation of the metal by a more electropositive metal is called

normal

If the impurity in a metal has a greater affinity for oxygen and is more easily oxidised than the metal, then the purification of metal may be carried out by

easy

Blister $Cu$ is about ………. $\%\,\,Cu$

normal