Easy
Which one of the following statements is not correct?
- Avan-Arkel method is used for refining of zirconium
- BMond process is used for refining of nickel
- CZone refining is based on the principle that the impurities are more soluble in the melt than in the solid state of the metal
- DHigh melting metal are refined by liquation
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Similar Questions
Which method is used for the purification of $Ni$?
Easy
View SolutionCopper is purified by electrolytic refining of blister copper. The correct statement$(s)$ about this process is(are):
$(A)$ Impure $Cu$ strip is used as cathode
$(B)$ Acidified aqueous $CuSO_4$ is used as electrolyte
$(C)$ Pure $Cu$ deposits at cathode
$(D)$ Impurities settle as anode-mud
$(A)$ Impure $Cu$ strip is used as cathode
$(B)$ Acidified aqueous $CuSO_4$ is used as electrolyte
$(C)$ Pure $Cu$ deposits at cathode
$(D)$ Impurities settle as anode-mud
MediumIIT 2015
View SolutionWhich among the following elements is obtained in pure form by the zone refining process?
Which element is obtained in the pure form by the Van Arkel method?
Match the following List-$I$ (Method) with List-$II$ (Metal refined):
List-$I$ (Method) List-$II$ (Metal refined) $(A)$ Zone refining $(I)$ $Sn$ $(B)$ Liquation $(II)$ $In$ $(C)$ Vapour phase refining $(III)$ $Zn$ $(D)$ Distillation $(IV)$ $Zr$ - $(V)$ $Al$
The correct answer is:
| List-$I$ (Method) | List-$II$ (Metal refined) |
|---|---|
| $(A)$ Zone refining | $(I)$ $Sn$ |
| $(B)$ Liquation | $(II)$ $In$ |
| $(C)$ Vapour phase refining | $(III)$ $Zn$ |
| $(D)$ Distillation | $(IV)$ $Zr$ |
| - | $(V)$ $Al$ |
The correct answer is:
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