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प्रश्न
Name the method of refining which is Used to obtain semiconductor of high purity.
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उत्तर
Zone refining
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संबंधित प्रश्न
What is the principle behind the zone refining of metals?
Describe a method for refining nickel.
Write the principle behind the following methods of refining:
Vapour-phase refining
Electrolytic refining is used to purify which of the following metals?
Why is an external emf of more than 2.2 V required for the extraction of \[\ce{Cl2}\] from brine?
Write two basic requirements for refining of a metal by Mond process and by Van Arkel Method.
Assertion: Zirconium can be purificed by Van Arkel method.
Reason: ZrI4 is volatile and decomposes at 1800 K.
Assertion: Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal.
Reason: Copper is extracted by hydrometallurgy.
Explain the following:
Vapour phase refining method is used for the purification of Ti.
Describe a method for refining nickel.
