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JEE Main & Advanced Chemistry Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन Question Bank Mock Test - General Principles Processes of Isolation of Elements

  • question_answer
    Poling process is used

    A) for the removal of \[C{{u}_{2}}O\] from Cu

    B) for the removal of \[A{{l}_{2}}{{O}_{3}}\] from Al

    C) for the removal of \[F{{e}_{2}}{{O}_{3}}\] from Fe

    D) In all the above

    Correct Answer: A

    Solution :

    [a] Poling (metallurgy) is a method employed in the purification of copper which contains cuprous oxide as an impurity.


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