Which refining process is generally used in the purification of low melting metals ?

Question:

Which refining process is generally used in the purification of low melting metals ? 

  1. Chromatographic method 

  2. Liquation

  3. Electrolysis

  4.  Zone refining


Correct Option: , 2

Solution:

Liquation method is used to purify those impure metals which has lower melting point than the melting point of impurities associated.  This method is used for metal having low melting point. 

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