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JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Mock Test - d- and f- Block Elements

  • question_answer
    Out of following how many oxides are amphoteric in nature. \[MnO,M{{n}_{2}}O,Mn{{O}_{2}},Mn{{O}_{4}},M{{n}_{2}}{{O}_{7}},M{{n}_{3}}{{O}_{4}}\]

    Answer:

    3


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