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प्रश्न
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
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उत्तर
Sodium argentocyanide solution
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संबंधित प्रश्न
Copy and complete the following table:
| Anode | Electrolyte | |
| Purification of copper |
Give one word or phrase for the following:
Electrolytic deposition of a superior metal on a baser metal.
How would you change Cu2+ ion to Cu?
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.
The following question relate to the electroplating of an article with silver.
What ions must be present in the electrolyte?
What ions must be present in a solution used for electroplating a particular metal?
A solution of silver nitrate is a good electrolyte but is not used for electroplating an article with silver.
Draw a labelled diagram to show how iron is electroplated with copper.
Describe what happens to the iron object and the copper rod.
