Medium
Cupellation method is used for the purification of which of the following metals?
- A$Cu$
- B$Ag$
- C$Al$
- D$Fe$
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When the sample of copper with zinc impurity is to be purified by electrolysis,the appropriate electrodes are:
Cathode,Anode
Cathode,Anode
MediumAIEEE 2002
View SolutionZone refining is a technique used primarily for which one of the following processes?
Easy
View SolutionIn the electrolytic purification of copper,some gold is found in the:
Medium
View SolutionMatch the refining methods (Column $I$) with metals (Column $II$).
Column $I$ (Refining methods) Column $II$ (Metals) $(I)$ Liquation $(a)$ $Zr$ $(II)$ Zone refining $(b)$ $Ni$ $(III)$ Mond process $(c)$ $Sn$ $(IV)$ Van Arkel Method $(d)$ $Ga$
| Column $I$ (Refining methods) | Column $II$ (Metals) |
| $(I)$ Liquation | $(a)$ $Zr$ |
| $(II)$ Zone refining | $(b)$ $Ni$ |
| $(III)$ Mond process | $(c)$ $Sn$ |
| $(IV)$ Van Arkel Method | $(d)$ $Ga$ |
DifficultJEE MAIN 2019
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