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Metallurgy — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryMetallurgy2 Marks
Question
Give the basic requirement for vapour phase refining.
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Answer

The two requirements for vapour phase refining are:
  1. The metal should form a volatile compound with a suitable reagent.
  2. The volatile compound is decomposed to give the pure metal.

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