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  • Explain the role of the following : (a) NaCN in the separation of ZnS and PbS. (b) in the metallurgy of Cu containing Fe as impurity. (c) Io

Explain the role of the following :

(a) NaCN in the separation of ZnS and PbS.

(b) SiO_{2} in the metallurgy of Cu containing Fe as impurity.

(c) Iodine in the refining of Ti.

 

 

 
 
 
 
 

Answers (1)

(a) NaCN act as a depressant the separation of ZnS and PbS

(b) SiO2 act as a flux in the metallurgy of Cu containing Fe as impurity.

(c) Iodine is used to convert Ti into volatile compound (TiI4) in the refining of Ti

 

 

Posted by

Safeer PP

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