Solved papers for JEE Main & Advanced JEE Main Solved Paper-2015
done JEE Main Solved Paper-2015 Total Questions - 1
question_answer1) In the context of the Hall-Heroult process for the extraction of Al, which of the following statements is false?
[JEE Main Solved Paper-2015 ]
A)
\[A{{l}^{3+}}\] is reduced at the cathode to form Al
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B)
\[N{{a}_{3}}Al{{F}_{6}}\] serves as the electrolyte
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C)
\[CO\] and \[C{{O}_{2}}\] are produced in this process
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D)
\[A{{l}_{2}}{{O}_{3}}\]is mixed with \[Ca{{F}_{2}}\] which lowers the melting point of the mixture and brings conductivity