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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
Explain column chromatography.
Describe a method for refining nickel.
Out of PbS and PbCO3 (ores of lead), which one is concentrated by froth floatation process preferably?
What happens when Silver is leached with NaCN in the presence of air?
Name the method of refining which is Used to obtain low boiling metal.
Write two basic requirements for refining of a metal by Mond process and by Van Arkel Method.
Assertion: Nickel can be purified by Mond process.
Reason: \[\ce{Ni(CO)4}\] is a volatile compound which decomposes at 460 K to give pure Ni.
Assertion: Zone refining method is very useful for producing semiconductors.
Reason: Semiconductors are of high purity.
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.
