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Industrial Preparation of Ammonia

Give reasons:...

Question

Give reasons: Cryolite is added to alumina during electrolytic reduction.

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Solution

Cryolite is added as it lowers the melting point of alumina to 950 degrees.

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Similar questions

Q. The role of fluorspar

(C a F_{2})

which is added during the electrolytic reduction of alumina dissolved in fused cryolite is:

Q. The function of adding cryolite in the electrolyte reduction of alumina by Hall-Heroult process is to :

Q. When alumina is subjected to electrolytic reduction, fluorspar and cryolite are added to the electrolyte. What purpose do they serve?

Q. The major role of fluorspar

(C a F_{2})

which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite

(N a_{3} A l F_{6})

Which of the following are added to concentrated alumina during the electrolytic reduction of alumina to aluminium by Hall-Heroult process?

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