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30/12/2021 1:47 pm
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A metal having a much low melting point is refined by:
(a) Liquation
(b) Electrolytic refining
(c) Zone Refining
(d) None of these
1 Answer
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30/12/2021 1:48 pm
Correct answer: (a) Liquation
Explanation:
Liquation: In this method, a low melting metal like a tin can be made to flow on a sloping surface. In this way, it is separated from higher melting impurities. This process is used for the purification of Sn and Zn, and for removing Pb from Zn-Ag alloy.