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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: - Oxidation state of sulphur in S₈, H₂S and S₂F₂ is
- In Kjeldahl’s mathod, the nitrogen present is estimated as
- When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
- Nitromethane reacts with chlorine in the presence of a base to give
- The orientation of an atomic orbital is governed by
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Oxidation state of sulphur in S₈, H₂S and S₂F₂ is
- In Kjeldahl’s mathod, the nitrogen present is estimated as
- When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
- Nitromethane reacts with chlorine in the presence of a base to give
- The orientation of an atomic orbital is governed by
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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