The refining method used when the metal and the impurities have low and high melting temperatures, respectively, is –
Question:

The refining method used when the metal and the impurities have low and high melting temperatures, respectively, is –

  1. zone refining

  2. liquation

  3. vapour phase refining

  4. distillation


Correct Option: , 2

Solution:

Liquation method is used when the melting point of metal is less compare to the melting point of the associated impurity.

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