Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyEllingham diagram & Reduction methods, Refining of metalMedium2 minQB
ChemistryMediumsingle choice
A cylindrical rod of impure element is heated from left to right by passing circular heater several times in same direction. this process is used for the refining of :-
Options:
Answer:
B
Solution:
The process described is zone refining, which is used to obtain ultra-pure metals and semiconductors. Silicon (Si) is commonly refined this way. Impurities are more soluble in the molten zone and are swept to one end of the rod, leaving behind a purer material.
The correct answer is B.
Stream:JEESubject:ChemistryTopic:MetallurgySubtopic:Ellingham diagram & Reduction methods, Refining of metal
⏱ 2mℹ️ Source: QB
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