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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
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 ____________. (Fe/Mg/Pb/Al)
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
Give equation for the following conversion: Ferric oxide to iron.
For the reaction of a metal oxide. Suggest a reducing agent other than carbon
Give the chemical name and formula of 'cryolite'
Name a non-metallic element which has a metallic lustre
What metallic property is shown by the non-metal graphite?
Name the following:
The compound formed by the reaction between calcium oxide and silica.
Give the equation for the reduction of Iron (III) oxide.
Give the equations for the reduction of Lead (II) oxide.
