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Refining using liquation method is the most suitable for metals with : 

Option: 1

Low melting point
 


Option: 2

High boiling point
 


Option: 3

High electrical conductivity
 


Option: 4

Less tendency to be soluble in melts than impurities


Answers (1)

best_answer

Liquation process is used for metals having lesser melting point than impurities.
The metals melts and flows down to collector While impurities are left behind behind and later discarded.

This process is applied only when impurities are higher in concentration.

Hence, the correct answer is Option (1).

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