11th Class Chemistry Alkali Metals Question Bank Alkali Metals

  • question_answer If \[Na\]is heated in presence of air, it forms [AFMC 2002]

    A) \[N{{a}_{2}}C{{O}_{3}}\]

    B) \[N{{a}_{2}}{{O}_{2}}\]

    C) \[N{{a}_{2}}O\]

    D) Both b and c

    Correct Answer: D

    Solution :

    When \[Na\] is heated in presence of air or oxygen, \[Na\] burns to form sodium oxide and sodium peroxide.


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