JEE Main & Advanced Sample Paper JEE Main Sample Paper-17

  • question_answer
    Which of the following is not used for extraction of aluminium?

    A)  Van arkel process

    B)  Serpeck's process

    C)  Baeyer's process

    D)  Hall-Heroult's process

    Correct Answer: A

    Solution :

     Van Arkel process is one of the refining processes to get very pure metal. In this process the impure metal is converted into volatile iodides, which are again dissociated to get pure metal.


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