Which of the following pairs of metals is purified by the van Arkel method?

  • A
    $Ga$ and $In$
  • B
    $Zr$ and $Ti$
  • C
    $Ag$ and $Au$
  • D
    $Ni$ and $Fe$

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The zone refining of metal is based on the principle of

Refining of nickel is done by:

Write the chemical equations for the Mond process used for the refining of nickel.

During the purification of metals by the $Van-Arkel$ method,the metal is converted into $......$.

The Van-Arkel process and Mond's process are used for the refining of which of the following metals,respectively?

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