Boron and silicon of very high purity can be obtained through :

Question:

Boron and silicon of very high purity can be obtained through :

 

  1. vapour phase refining

  2. electrolytic refining

  3. liquation

  4. zone refining


Correct Option: , 4

Solution:

"Boron" and "Silicon" of very high purity can be obtained through :-

zone refining method only.

While other methods are used for other metals/ elements i.e.

(i) Vapour phase refining

(ii) electrolytic refining

(iii) liquation etc.

 

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