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प्रश्न
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
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उत्तर
Cryolite
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संबंधित प्रश्न
How is the following metallic oxide reduced? Write the equation:
Zinc oxide
Give reason for the following:
Carbon anodes are used in the electrolytic extraction of aluminium.
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 has a metallic lustre
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.]
Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
What metallic property is shown by the non-metal graphite?
Name the following :
A metal oxide that can be reduced by hydrogen
