7th Class Science Winds, Storm and Cyclones Question Bank Self Test-12

  • question_answer
    The chemical formula of ozone represents which one of the following?

    A) (a)  

    B) (b)

    C) (c)  

    D) (d) All of these

    E) (e) None of these

    Correct Answer: B

    Solution :

    (b)


You need to login to perform this action.
You will be redirected in 3 sec spinner