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प्रश्न
Assertion: Zone refining method is very useful for producing semiconductors.
Reason: Semiconductors are of high purity.
विकल्प
Both assertion and reason are true and reason is the correct explanation of assertion.
Both assertion and reason are true but reason is not the correct explanation of assertion.
Assertion is true but reason is false.
Assertion is false but reason is true.
Assertion and reason both are wrong.
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उत्तर
Both assertion and reason are true but reason is not the correct explanation of assertion.
Explanation:
In zone refining method, the impurities of semiconductors are more soluble in molten zone and the ultrapure semiconductor crystallizes.
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संबंधित प्रश्न
Name the method used for the refining of zirconium.
Explain column chromatography.
What is meant by the term “chromatography”?
Outline the principles behind the refining of metals by the following methods:
Zone refining method
Name the method of refining which is Used to obtain semiconductor of high purity.
Name the method of refining which is Used to obtain low boiling metal.
Zone refining is based on the principle that ______.
Electrolytic refining is used to purify which of the following metals?
Which method is used for refining Zr and Ti? Explain with equation.
Assertion: Zirconium can be purificed by Van Arkel method.
Reason: ZrI4 is volatile and decomposes at 1800 K.
Purification of crude metals by removing metallic and non-metallic impurities is known as ______ of metals.
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.
Describe a method for refining nickel.
Describe a method for refining nickel.
