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प्रश्न
Answer the following question with reference to the electrorefining of copper:
What do you observe at the cathode?
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उत्तर
Pure copper is deposited on the thin sheet of pure copper placed at the cathode.
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संबंधित प्रश्न
What is meant by refining of a metal? Name the most widely used method for the refining of impure metals obtained by various reduction processes. Describe this method with the help of a labelled diagram by taking the example of any metal.
How are metals refined by the electrolytic process?
During the refining of an impure metal by electrolysis, the pure metal is a deposited ______.
Explain how the following metals are obtained from their compounds by the reduction process:
(i) Metal M which is in the middle of the reactivity series.
(ii) Metal N which is high up in the reactivity series.
Give one example of each type
Draw a neat labelled diagram.
Magnetic separation method.
Which of the following process to be carried out to avoid the
formation of greenish layer on brass vessels due to corrosion?
Electrolysis is used to obtain pure metal from impure metal.
The lightest liquid metal is ____________.
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process is:
Reaction between X and Y, forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?
