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प्रश्न
Name the method of refining of metals such as Germanium.
Write the principle of method used for the refining of germanium
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उत्तर १
Zone refining method is the most suitable method for refining metals like germanium (semiconductor).
उत्तर २
Zone refining: Principle − Impurities are more soluble in the molten state of metal (the melt) than in the solid state.
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संबंधित प्रश्न
Explain:
Zone refining
Describe a method for refining nickel.
Describe ‘froth floatation process’ for concentration of sulphide ore.
What happens when NaCN is added in an ore containing PbS and ZnS during concentration by froth floatation method?
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.
Refining using liquation method is the most suitable for metals with ______.
Describe a method for refining nickel.
Describe a method for refining nickel.
