A) Cupellation
B) Poling
C) Electrolytic refining
D) Zone refining
E) Van-Arkel process
Correct Answer: E
Solution :
This scheme take place in Van Arekel process by this process ultrapure metal is prepared, the impure metal is first converted into a volatile stable compound generally iodide(leaving behind the impurities which is then decomposed at a higher temperature to give the pure metal. Metal like titanium, zirconium are purified by this method.You need to login to perform this action.
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