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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 compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
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
Name oxide of one metal which is reduced by (give equation): Electrolytic reduction
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
What metallic property is shown by the non-metal graphite?
Answer the following question :
Name the process used for the enrichment of sulphide ore.
Complete the following by selecting the correct option from the choices given :
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ________
Complete the following by selecting the correct option from the choices given :
The diavalent metal whose oxide is reduced to metal by electrolysis of its fused salt is ________
Steel is an alloy of iron and ______.
Give the equation for the reduction of Iron (III) oxide.
