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Which of the following techniques is used for refining low melting metals like ?
Option: 1
Zone refining
Option: 2
Liquation
Option: 3
van Arkel method
Option: 4
Mond process
Answers (1)
Answer (2)
In liquation, a low melting metal like tin is made to flow on a sloping surface. The higher melting impurities are left behind.
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