MCQOPTIONS
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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 | |