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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
Copy and complete the following table:
| Anode | Electrolyte | |
| Purification of copper |
Out of Cu and Ag, which is more active?
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.
The following question relate to the electroplating of an article with silver.
Name the electrode formed by the article which is to be plated.
A solution of silver nitrate is a good electrolyte but is not used for electroplating an article with silver.
Mr Ramu wants electrolyte his key chain with nickel to prevent rusting. For this electroplating
(i) Name the electrolyte
(ii) Name the cathode
(iii) Name the anode
(iv) Give the reaction at the cathode
(v) Give the reaction at the anode
Copy and complete the following table :
| Anode | Electrolyte | |
| Purification of copper |
Draw a labelled diagram to show how iron is electroplated with copper.
