ICSE Class 10 Chemistry 2019 Solved Paper

Answer the following questions based on the extraction of aluminium from alumina by Hall-Heroult's Process :

Question : 72

Total: 86

What is the function of cryolite used along with alumina as the electrolyte?

Solution:

Cryolite reduces the melting point of Alumina from 2050∘C to 950∘C.

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