Easy
The poling process is used for:
- ARemoval of $Cu_2O$ from $Cu$
- BRemoval of $Al_2O_3$ from $Al$
- CRemoval of $Fe_2O_3$ from $Fe$
- DAll of these
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Similar Questions
The purification of $Zr$ (Zirconium) is carried out by the $Van$ $Arkel$ method. Which halogen is used in this process?
Easy
View SolutionWhich of the following methods is used for the refining of impure zirconium?
Which of the following properties of pure metal makes it more useful than the corresponding alloy?
Easy
View SolutionExplain the electrolytic refining of metals.
Difficult
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
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