The method used for the purification of Indium is :
Question:

The method used for the purification of Indium is :

  1. van Arkel method

  2. vapour phase refining

  3. zone refining

  4. Liquation


Correct Option: , 3

Solution:

Fact

Ga, In, Si, Ge are refined by zone refining or vaccume refining.

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