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प्रश्न
Answer the following questions with respect to the electrolytic process in the extraction of aluminum:
Explain why powdered coke is sprinkled over the electrolytic mixture.
उत्तर
Powdered coke is sprinkled over the surface of the electrolytic mixture for the following reasons:
- Reduces heat loss by radiation
- Prevents burning of the anode
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संबंधित प्रश्न
For the substance given below, describe the role played in the extraction of aluminium.
Graphite
Explain why In the electrolysis of alumina using the Hall Heroult's Process the electrolyte is covered with powdered coke
Name the following: A compound added to lower the fusion temperature of electrolytic bath in the extraction of aluminum
Name the constituents of Bronze.
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis.
Why is food containing iron salts should not be cooked in aluminium utensils?
The following question relate to the extraction of aluminium by electrolysis.
Explain why is it necessary to renew the anode periodically.
Explain why :
In the electrolysis of alumina using the Hall Heroult's Process the electrolyte is covered with powdered coke.
Name the alloy used for the following purpose.
Making electric circuits
Write the balanced chemical equation to show the concentration of ore in Baeyer’s process.
Sodium aluminate to aluminium hydroxide
