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Describe role of the following: 1)SiO2 in the extraction of Cu2)Cryolite in the electrolytic reduction of aluminium

Describe role of the following: 1)SiO2 in the extraction of Cu2)Cryolite in the electrolytic reduction of aluminium

Grade:12

1 Answers

Umakant biswal
5349 Points
7 years ago
dear pooja 
find the solution of the question , below 
ROLE OF CRYOLITE IN METTALURGY OF ALUMINIUM . 
1- cryolite lower the melting point of alumina from 2323 K to 1140 K 
2- it functions as a solvent for alumina 
3- it reduce the cost of the process 
4- the melt of alumina and cryolite conduct electricity , 
HOPE IT CLEARS 
i answered the frst question already 
REGARDS 

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