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प्रश्न
What ions must be present in a solution used for electroplating a particular metal?
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
Name the metallic ions that should be present in the electrolyte when an article made of copper is to be electroplated with silver.
Choose the correct answer from the options given below:
The electrolyte used for electroplating an article with silver is
A. Silver nitrate solution
B. Silver cyanide solution
C. Sodium argentocyanide solution
D. Nickel sulfate solution
Give reason for the following:
The blue colour of aqueous copper sulphate fades when it is electrolysed using platinum electrodes.
Give three applications of electrolysis.
How is impure copper purified by electrolysis ? Explain.
List out the main applications of electrolysis.
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.
