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  • Name a metal of medium reactivity and write three main steps in the extraction of this metal from its sulphide ore.        &nbs

Name a metal of medium reactivity and write three main steps in the extraction of this metal from its sulphide ore. 

 

 

 

 
 
 
 
 

Answers (1)

Zinc, iron, lead, aluminium are the metals of medium reactivity.

Let's take one - Zinc

Its extraction has two main steps :-

1. Roasting

2. reduction

Roasting :- heating in the presence of oxygen

2ZnS(s)+3O_{2}(g)\rightarrow 2ZnO(s)+2SO_{2}

Reduction :- Reduction of metal oxide with carbon (C).

ZnO(s)+C(s)\rightarrow Zn(s)+CO(g)

Refining of impure metal to get pure metal.

Posted by

Sumit Saini

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