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The funciton of adding cryolite in the e...

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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The correct Answer is:
a,b,c,d
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Hall-Heroult's process is given by :

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NARAYNA-METTALURGY-Multiple answer
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  15. The disadvantage of carbon reduction method are :

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  16. The funciton of adding cryolite in the electrolytic reduction of alumi...

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  17. Which of the following reduction reactions are actually employed in co...

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  18. Select correct statement regrading silver extraction//purification pro...

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  19. Aluminothermy used for on the spot welding of large iron structures is...

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  20. Highly electropositive metals can not be extracted by carbon reduction...

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