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Question
Copy and complete the following table which refers to two practical applications of electrolysis.
| Anode | Electrolyte | Cathode | |
| Silver plating of a spoon | Solution of potassium argentocyanide | ||
| Purification of copper |
Solution
| Anode | Electrolyte | Cathode | |
| Silver plating of a spoon | Plate of pure clean silver | Solution of potassium argentocyanide | Cleaned article to be electroplated |
| Purification of copper | Impure copper | A solution of copper sulphate and dilute sulphuric acid | Thin strip of pure copper |
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