1.

Zirconium can be refined by using....

Answer»

Zone refining 
Van Arkel method 
Mond carbonyl PROCESS 
Liquation 

SOLUTION :`underset(("Impure"))underset("ZIRCONIUM")(Zr_(s)) + undeset("Iodine")(2I_(2(g))) underset("Evacuated vessel")overset(DELTA)(rarr) underset("Pure")(ZrI_(4(g)))`
`underset("Pure")(ZrI_(4(g))) underset("TUNGSTEN filament")overset(1800 K)(rarr) underset("Pure")(Zr_(s)) + underset("Iodine")(2I_(2(g)))`


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