Advertisements
Advertisements
Question
Give reason for the following:
Carbon anodes are used in the electrolytic extraction of aluminium.
Advertisements
Solution
Carbon anodes are used in the electrolytic extraction of aluminium because carbon in the form of graphite is a good conductor of electricity.
APPEARS IN
RELATED QUESTIONS
Give appropriate scientific reasons for Zinc oxide can be reduced to zinc metal by using
carbon, but aluminium oxide cannot be reduced by a reducing agent
Write a balanced chemical equation for each of the following reactions :
(i) Reduction of copper (II) oxide by hydrogen
Give equation for the following conversion:Aluminium to sodium aluminate.
what is the function of cryolite in the extraction of aluminium, other than acting as a solvent for bauxite?
Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.
Write balanced equation for the following reaction:
Reduction of iron (III) oxide by carbon monoxide.
Name the following:
The compound formed by the reaction between calcium oxide and silica.
Answer the following question with respect by hydrogen :
Explain why powdered coke is sprinkled over than electrolytic mixture.
Write a balanced equation for the reduction of copper (ll) oxide by hydrogen.
Give the equations for the reduction of copper oxide.
