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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
Name the method used for the refining of Nickel metal.
Name the method used for the refining of zirconium.
Describe the roles of the following: NaCN in froth floatation process
Write the chemical equations involved in van Arkel method for refining zirconium metal.
Give two requirements for vapour phase refining.
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: Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal.
Reason: Copper is extracted by hydrometallurgy.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
