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6.26 Outline the principles of refining of metals by the following methods :(iii)Vapour phase refining
Answers (1)
Vapour phase refining- In this process metal is converted into its volatile compound which is collected and decomposed to give pure metals.
Two major requirement-
- The metal should form a volatile compound with the suitable reagent.
- the volatile compound should be easily decomposable so that to recover easily
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