A) \[A{{l}^{3+}}\] is reduced at the cathode to form Al
B) \[N{{a}_{3}}Al{{F}_{6}}\] serves as the electrolyte
C) \[CO\] and \[C{{O}_{2}}\] are produced in this process
D) \[A{{l}_{2}}{{O}_{3}}\]is mixed with \[Ca{{F}_{2}}\] which lowers the melting point of the mixture and brings conductivity
Correct Answer: B
Solution :
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