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प्रश्न
Give reason for the following:
Carbon anodes are used in the electrolytic extraction of aluminium.
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उत्तर
Carbon anodes are used in the electrolytic extraction of aluminium because carbon in the form of graphite is a good conductor of electricity.
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संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
Give equation for the following conversion: Aluminium hydroxide to aluminium oxide.
For the reaction of a metal oxide. Suggest a reducing agent other than carbon
Name a non-metallic element which forms acidic and neutral oxides
Write balanced equation for the following reaction:
Reduction of iron (III) oxide by carbon monoxide.
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
Answer the following question with respect by hydrogen : Identify the components of the electrolyte other than pure alumina and the role played by each.
Answer the following question with respect by hydrogen :
Explain why powdered coke is sprinkled over than electrolytic mixture.
Write the observation for the following:
A paper dipped in potassium permanganate solution is put on the mouth of a test tube containing sulphur dioxide gas.
Give the equations for the reduction of Lead (II) oxide.
