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Why we add cryolite or fluorspar in alumina during Hall’* Heroults process?

+2 votes

asked Mar 29, 2019 in Chemistry by kratos

Why we add cryolite or fluorspar in alumina during Hall’* Heroults process?

cbse
surface chemistry
general principles
processes of isolation of metals
jee
class-10
icse
jee mains
class-12
metallurgy

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1 Answer

+3 votes

answered Feb 8, 2021 by kratos

Best answer

To reduce the melting point of alumina and make it more conductive.

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