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प्रश्न
what is the function of cryolite in the extraction of aluminium, other than acting as a solvent for bauxite?
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उत्तर
Cryolite is used in the electrolysis of alumina. The function of cryolite is to
(i) Reduce melting point of alumina
(ii) Make molten alumina a good conductor of electricity.
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संबंधित प्रश्न
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
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 is a conductor of electricity.
What metallic property is shown by the non-metal graphite?
Answer the following question :
Name the process used for the enrichment of sulphide ore.
Steel is an alloy of iron and ______.
Give the equations for the reduction of Lead (II) oxide.
Give the equation for the reduction of Zinc oxide.
