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Question

Question: Cryolite and fluorspar are mixed with \(Al_{2}O_{3}\) during electrolysis for extraction of aluminiu...

Cryolite and fluorspar are mixed with Al2O3Al_{2}O_{3} during electrolysis for extraction of aluminium to

A

Increase the mass of the reaction mixture

B

Get other products at anode like fluorine

C

Lower the melting point and increase the conductivity of the electrolyte

D

Reduce aluminium oxide by cryolite

Answer

Lower the melting point and increase the conductivity of the electrolyte

Explanation

Solution

Cryolite reduces the melting point of the mixture and increases its conductivity.