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Questions
The following question relate to the extraction of aluminium by electrolysis.
Name the other aluminium containing compound added to alumina and state the significance.
The following question relate to the extraction of aluminium by electrolysis.
Name the other aluminium containing compound added to alumina.
Solution
Cryolite
significance: Cryolite (Na3AlF6) is added along with alumina and fluorspar. It lowers the fusion temperature from 2050°C to 950°C and enhances conductivity.
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