Easy
The 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 the above
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Explain the electrolytic refining of metals.
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View SolutionOne of the following metals forms a volatile carbonyl compound and this property is taken advantage of for its extraction. This metal is
Easy
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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