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प्रश्न
How are metals used as semiconductors refined? What is the principle of the method used?
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उत्तर
Semiconducting metal is produced by zone refining method which is based on the principle that the impurities are more soluble in melt than in the solid state of metals.
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संबंधित प्रश्न
Name the method used for the refining of Nickel metal.
Name the method of refining of metals such as Germanium.
What criterion is followed for the selection of the stationary phase in chromatography?
Write the chemical equations involved in van Arkel method for refining zirconium metal.
Outline the principles behind the refining of metals by the following methods:
Zone refining method
What happens when Silver is leached with NaCN in the presence of air?
What happens when Copper matte is charged into silica lined converter and hot air blast is blown?
Name the method of refining which is Used to obtain semiconductor of high purity.
Electrolytic refining is used to purify which of the following metals?
Give two requirements for vapour phase refining.
Assertion: Zone refining method is very useful for producing semiconductors.
Reason: Semiconductors are of high purity.
Explain the following:
Vapour phase refining method is used for the purification of Ti.
Purification of crude metals by removing metallic and non-metallic impurities is known as ______ of metals.
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
Refining using liquation method is the most suitable for metals with ______.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
