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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.
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- He₂ does not exist because its
- Among the following pairs of ions, the lower oxidation state in aqueous solution
- The hydrolysis of 2-bromo-3-methylbutane by SN1mechanism gives mainly
- Antiseptic chloroxylenol is
- Oxidation number of iron in [Fe(CN)₆]⁴⁻ is
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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