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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
Name the method of refining of metals such as Germanium.
Explain the principle of the method of electrolytic refining of metals. Give one example.
Explain:
Zone refining
Name the common elements present in the anode mud in electrolytic refining of copper. Why are they so present?
Describe a method for refining nickel.
Outline the principles of refining of metals by the following method:
Vapour phase refining
Write the chemical equations involved in van Arkel method for refining zirconium metal.
Electrolytic refining is used to purify which of the following metals?
Match the items of Column I with the items of Column II and assign the correct code:
| Column I | Column II |
| (A) Coloured bands | (1) Zone refining |
| (B) Impure metal to volatile complex | (2) Fractional distillation |
| (C) Purification of Ge and Si | (3) Mond Process |
| (D) Purification of mercury | (4) Chromatography |
| (5) Liquation |
Describe a method for refining nickel.
