10th Class Science Periodic Classification of Elements Question Bank Self Test-9

  • question_answer
    Which one of the following is strongly acidic?

    A)  \[C{{l}_{2}}{{O}_{7}}\]

    B)  \[N{{a}_{2}}O\]

    C)  \[MgO\]

    D)  \[{{P}_{2}}{{O}_{5}}\]

    E)  None of these

    Correct Answer: A

    Solution :


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