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1. |
Cryolite is |
A. | \[N{{a}_{3}}Al{{F}_{6}}\] and used in the electrolysis of alumina for decreasing electrical conductivity |
B. | \[N{{a}_{3}}Al{{F}_{6}}\]and used in the electrolysis of alumina for lowering the melting point of alumina |
C. | \[N{{a}_{3}}Al{{F}_{6}}\]and used in the electrolytic purification of alumina |
D. | \[N{{a}_{3}}Al{{F}_{6}}\] and used in the electrolysis of alumina |
Answer» C. \[N{{a}_{3}}Al{{F}_{6}}\]and used in the electrolytic purification of alumina | |