Easy
Poling process is used for
- AThe removal of $Cu_2O$ from $Cu$
- BThe removal of $Al_2O_3$ from $Al$
- CThe removal of $Fe_2O_3$ from $Fe$
- DAll of these
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Explain chromatographic methods to refine the elements.
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View SolutionThe Van-Arkel method of refining $Zr$ involves,
Which process is used for the refining of silver?
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View Solution$Si$ and $Ge$ used for semiconductors are required to be of high purity and hence purified by:
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View SolutionMatch List-$I$ with List-$II$ and select the correct answer using the codes given below:
List-$I$ List-$II$ $(I)$ Van Arkel method $a.$ Refining of Titanium $(II)$ Solvay process $b.$ Manufacture of $Na_2CO_3$ $(III)$ Cupellation $c.$ Refining of Copper $(IV)$ Poling $d.$ Refining of Silver
| List-$I$ | List-$II$ |
|---|---|
| $(I)$ Van Arkel method | $a.$ Refining of Titanium |
| $(II)$ Solvay process | $b.$ Manufacture of $Na_2CO_3$ |
| $(III)$ Cupellation | $c.$ Refining of Copper |
| $(IV)$ Poling | $d.$ Refining of Silver |
Easy
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