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Question
For the substance listed below, explain its role in the extraction of aluminium: Cryolite
Short/Brief Note
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Solution
Cryolite is used in the electrolysis of alumina. The function of cryolite is to
(1) Reduce melting point of alumina
(2) Make molten alumina a good conductor of electricity.
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Chapter 7: Metallurgy - Questions from ICSE Examinations [Page 175]
