Advertisements
Advertisements
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.
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.
APPEARS IN
संबंधित प्रश्न
What criterion is followed for the selection of the stationary phase in chromatography?
Outline the principles behind the refining of metals by the following methods:
Zone refining method
Write the principle behind the following methods of refining:
Vapour-phase refining
What happens when Copper matte is charged into silica lined converter and hot air blast is blown?
Zone refining is based on the principle that ______.
Electrolytic refining is used to purify which of the following metals?
Why is an external emf of more than 2.2 V required for the extraction of \[\ce{Cl2}\] from brine?
Purification of crude metals by removing metallic and non-metallic impurities is known as ______ of metals.
Describe a method for refining nickel.
Describe a method for refining nickel.
