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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.
Give equation for the following conversion: Aluminium to aluminium nitride.
Name oxide of one metal which is reduced by (give equation): Reduction with carbon
Name a non-metallic element which is a liquid at ordinary temperatures
With reference to the reduction of copper (II) oxide , iron (II) oxide, lead (II) oxide and magnesium oxide; place the oxides in order of increasing ease of reduction.[i.e. first write the oxide that is most difficult to reduce and at last, the oxide, that is most easily reduced.]
Answer the following question :
Name the process used for the enrichment of sulphide ore.
Give the equation for the reduction of Iron (III) oxide.
Give the equations for the reduction of Lead (II) oxide.
Give the equation for the reduction of Zinc oxide.
