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 of 86

Marks: +1, -0

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

Solution:

Cryolite reduces the melting point of Alumina from

2050^{∘} {\C}

950^{∘} {\C}

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