Easy
Which method is used to obtain highly pure $Si$?
- AOxidation
- BElectrochemical
- CCrystallization
- DZone refining
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Similar Questions
Match 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
View SolutionThe zone refining method is based on which principle?
Medium
View SolutionCopper sulphate is prepared by blowing a current of air through copper scrap and dilute $H_2SO_4$. Dilute $HNO_3$ is also added:
Difficult
View SolutionWrite the chemical equations for the Mond process used for the refining of nickel.
Easy
View SolutionWhich element is obtained in the pure form by the Van Arkel method?
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