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प्रश्न
Name the metallic ions that should be present in the electrolyte when an article made of copper is to be electroplated with silver.
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उत्तर
Ag+ and Na+
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संबंधित प्रश्न
State one relevant observation for the following:
At the anode when aqueous copper sulphate solution is electrolysed using copper electrodes.
Copy and complete the following table:
| Anode | Electrolyte | |
| Purification of copper |
Give reason for the following:
The blue colour of aqueous copper sulphate fades when it is electrolysed using platinum electrodes.
Give reason for the following:
For electroplating with silver, silver nitrate is not used as an electrolyte.
Give three applications of electrolysis.
List out the main applications of electrolysis.
The following question relate to the electroplating of an article with silver.
What should be the nature of the anode?
Copy and complete the following table :
| Anode | Electrolyte | |
| Purification of copper |
Describe what happens to the iron object and the copper rod.
Write two applications of electrolysis in which the anode diminishes in mass.
