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प्रश्न
For the substance given below, describe the role played in the extraction of aluminium.
Graphite
उत्तर
- Thick rods of graphite are suspended in the fused electrolyte.
- They act as an anode where oxygen gas is discharged.
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संबंधित प्रश्न
Answer the following questions with respect to the electrolytic process in the extraction of aluminum:
Identify the components of the electrolyte other than pure alumina and the role played by each
Name three alloys of steel. Give their compositions and uses.
For bauxite, explain its significance in the extraction of aluminium.
Name the following:
The materials used as electrodes in the electrolytic extraction of aluminium.
How is ore purified (give equations also)
The sketch below illustrates the refin ing of aluminium by Hoope's process
(a) Which of A and B is th e cathode and which one is the anode?
(b) What is the electroly te in the tank?
( c) What material is used for th e cathode?
Answer the following question :
Name a metal which is found abundantly in earth's crust.
Name the alloy used for the following purpose.
Making electric circuits
State the relevant reason for the following:
Graphite anodes are continuously replaced during the electrolysis of alumina.
State true or false.
Bauxite is the main ore of aluminium.
