RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    Which of the following is amphoteric oxide?

    A)  \[MgO\]

    B)  \[A{{l}_{2}}{{O}_{3}}\]

    C)  \[{{K}_{2}}O\]

    D)  \[CuO\]

    Correct Answer: B

    Solution :

     \[A{{l}_{2}}{{O}_{3}}\]is a amphoteric oxide because it reacts with acid and base both.


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