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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Mock Test - Classification Elements Periodicity Properties

  • question_answer
    From the given compounds if X number of compounds are acidic in water.\[CaO,S{{O}_{2,}}S{{O}_{3}},F{{e}_{2}}{{O}_{3}},C{{l}_{2}}{{O}_{7}},C{{O}_{2}},N{{a}_{2}}O\] Find the value of X.

    Answer:

    4


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