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प्रश्न
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
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उत्तर
Electrolytic reduction of alumina-
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संबंधित प्रश्न
Name one method for the refining of metals.
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.
Froth floatation method.
Draw a neat labelled diagram.
Hydraulic separation method.
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
Electrolysis is used to obtain pure metal from impure metal.
The lightest liquid metal is ____________.
In the electrolytic refining of copper, the electrolyte used 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?
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?
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
Identify the terms for the following:
The electrode where reduction takes place.
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 question with reference to the electrorefining of copper:
What is the anode made of?
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
