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प्रश्न
Which of the following metals can be purified by liquation method?
पर्याय
Sn
Hg
Bi
All of these
MCQ
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उत्तर
Sn, Hg and Bi.
Explanation:
The liquation method is used for purifying metals that have low melting points and can melt without undergoing oxidation. In this process, the impure metal is heated on the sloping surface of a furnace. The pure molten metal flows down, leaving the non-fusible impurities behind. Metals such as tin (Sn), bismuth (Bi), and mercury (Hg) can all be purified by this method.
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