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प्रश्न
Electrolysis is used to obtain pure metal from impure metal.
विकल्प
Right
Wrong
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उत्तर
Electrolysis is used to obtain pure metal from impure metal- Right
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संबंधित प्रश्न
Name one method for the refining of metals.
Name any five metals which are purified by electrolytic refining method.
Draw a neat labelled diagram.
Magnetic separation method.
Draw a neat labelled diagram.
Froth floatation method.
Name one metal each occurring as :
A sulphine
Name one metal each occurring as :
An oxide
Ionic compounds are electrically _______.
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process 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
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?
What are the constituents of solder alloy? Which property of solder makes it suitable for welding electrical wires?
A reddish-brown metal ‘X’, when heated in air, gives a black compound ‘Y’, which when heated in the presence of H2 gas gives ‘X’ back. ‘X’ is refined by the process of electrolysis; this refined form of ‘X’ is used in electrical wiring. Identify ‘X’ and ‘Y’. Draw a well-labelled diagram to represent the process of refining ‘X’.
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
