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The funciton of adding cryolite in the electrolytic reduction of alumina by Hall-Heroult process is to :

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The funciton of adding cryolite in the electrolytic reduction of alumina by Hall-Heroult process is to :
A. dissolve alumina
B. lower the melting point of alumina
C. lower the fuel bill
D. increase the electrical canductivity of alumina
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1 Answer

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by (24.2k points)
Correct Answer - a,b,c,d
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