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  • (a)    Write the principle involved in the following :         (i)    Zone refining of metals        (ii)   

(a)    Write the principle involved in the following :
        (i)    Zone refining of metals
       (ii)    Electrolytic refining
(b)    Name the metal refined by each of the following processes :
        (i)    Mond Process
       (ii)    van Arkel Method

 

 

 

 
 
 
 
 

Answers (1)

(a)    (i)    Zone refining of metals is based on the principle that the impurities are more soluble in the molten state than in solid state of the metal.

       (ii)    Electrolytic refining is the refining of impure metals by using electricity where they are put in a suitable electrolytic bath containing soluble salt of the same metal.

(b)    (i)    Nickel by Mond's Process.

       (ii)    Zirconium and Titanium by Von Arkel Method.

Posted by

Sumit Saini

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