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प्रश्न
Outline the principles behind the refining of metals by the following methods:
Zone refining method
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उत्तर
Zone refining Method:
Zone refining method is based on the principle that impurities are more soluble in the molten state than in the solid state of a metal.
This method is used in the purification of elements like Germanium(Ge), Silicon(Si), Indium (In) etc.
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संबंधित प्रश्न
Explain the principle of the method of electrolytic refining of metals. Give one example.
Write the chemical equations involved in van Arkel method for refining zirconium metal.
Write the principle behind the following methods of refining:
Vapour-phase refining
What happens when Silver is leached with NaCN in the presence of air?
Name the method of refining which is Used to obtain semiconductor of high purity.
In which of the following method of purification, metal is converted to its volatile compound which is decomposed to give pure metal?
(i) Heating with stream of carbon monoxide.
(ii) Heating with iodine.
(iii) Liquation.
(iv) Distillation.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
