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प्रश्न
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
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उत्तर
Electrolytic reduction of alumina-
संबंधित प्रश्न
How are metals refined by the electrolytic process? Describe the electrolytic refining of copper with the help of a neat labelled diagram.
During the refining of an impure metal by electrolysis, the pure metal is a deposited:
(a) at cathode
(b) on the walls of electrolytic tank
(c) at anode
(d) at the bottom of electrolytic tank
Draw a neat labelled diagram.
Magnetic separation method.
Draw a neat labelled diagram.
Froth floatation method.
Draw a neat labelled diagram.
Hydraulic separation method.
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.
The lightest liquid metal is ____________.
Bauxite is mixed with cryolite so as to
(i) reduce its melting point
(ii) increase its electrical conductivity
(iii) molten cryolite acts as a solvent
(iv) increase its melting point
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
Which one of the following figures correctly describes the process of electrolytic refining?
What are the constituents of solder alloy? Which property of solder makes it suitable for welding electrical wires?
Answer the following question with reference to the electrorefining of copper:
What is the anode made of?
