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Chemistry

Grade-10

Easy

Question

Cryolite is mixed with alumina to reduce the fusion temperature and make the mass a good electrical conductor.

True
False

hint Hint:

Cryolite reduces the melting temperature of the mixture,

The correct answer is 'True'.

In the extraction of aluminium by electrolytic process, alumina Al2O3 is used along with fluorspar and cryolite. Cryolite reduces the melting temperature of the mixture, and also act as solvent to help dissolve Al2O3.

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