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NEETChemistryGeneral Principles and Processes of Isolation of Metals

How is pure metal obtained in zone refining?

Options

  1. ABy cutting the impure end
  2. BBy heating the impurities
  3. CBy moving the heater forward
  4. DBy melting the entire metal

Correct answer

A. By cutting the impure end

Step-by-step solution

The impurities get concentrated at one end, and this end is cut off to obtain the pure metal in zone refining.

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