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Germanium of very high purity is obtained by
Options
(a) liquation
(b) vapour phase refining
(c) distilation
(d) zone refining
Correct Answer:
zone refining
Explanation:
Metals of high purity are obtained by zone refining, e.g., silicon,germanium,boron,gallium, indium.
Related Questions: - The equivalent weight of H₃PO₂, when it disproportionates into PH₃ and H₃PO₃ is
- Which one of the following is not a greenhouse gas
- Equal masses of H₂, O₂ and methane have been taken in a container of volume
- In tetragonal crystal system, which of following is not true
- Dimethyl glyoxime gives a red precipitate with Ni²⁺ ,
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The equivalent weight of H₃PO₂, when it disproportionates into PH₃ and H₃PO₃ is
- Which one of the following is not a greenhouse gas
- Equal masses of H₂, O₂ and methane have been taken in a container of volume
- In tetragonal crystal system, which of following is not true
- Dimethyl glyoxime gives a red precipitate with Ni²⁺ ,
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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