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प्रश्न
Draw a neat labelled diagram.
Hydraulic separation method.
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उत्तर
Hydraulic separation method-
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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 ______.
Draw a neat labelled diagram.
Magnetic separation method.
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
Which of the following process to be carried out to avoid the
formation of greenish layer on brass vessels due to corrosion?
Name one metal each occurring as :
A carbonate
Name one metal each occurring as :
An oxide
Ionic compounds are electrically _______.
Electrolysis is used to obtain pure metal from impure metal.
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process is:
In the electrolytic refining of copper, the electrolyte used is:
Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?
(i) Au
(ii) Cu
(iii) Na
(iv) K
An electrolytic cell consists of
- positively charged cathode
- negatively charged anode
- positively charged anode
- negatively charged cathode
During electrolytic refining of zinc, it gets
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?
Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements.
- Mg and N2
- Li and O2
- Al and Cl2
- K and O2
Answer the following question with reference to the electrorefining of copper:
What do you observe at the cathode?
