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प्रश्न
What ions must be present in a solution used for electroplating a particular metal?
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उत्तर
The ions of the metal which is to be electroplated on the article must be present in a solution.
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संबंधित प्रश्न
Name the following :
The process of coating of iron with zinc
How would you change Cu2+ ion to Cu?
State the electrode reaction at the anode during electrolysis of:
Aqueous copper sulphate solution.
Give reason for the following:
The blue colour of aqueous copper sulphate fades when it is electrolysed using platinum electrodes.
Explain the term:
Electro refining
The following question relate to the electroplating of an article with silver.
Name the electrode formed by the article which is to be plated.
The following question relate to the electroplating of an article with silver.
What ions must be present in the electrolyte?
Copy and complete the following table :
| Anode | Electrolyte | |
| Purification of copper |
Draw a labelled diagram to show how iron is electroplated with copper.
Describe what happens to the iron object and the copper rod.
