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  3. 9th Class
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  5. Structure of the Atom

9th Class Science Structure of the Atom Question Bank Self Test-4

  • question_answer
    The absolute charge of proton is:

    A)  \[+1.6\times {{10}^{-19}}\]  

    B)  \[-1.6\times {{10}^{-19}}\]

    C)  0 

    D)  1

    E)  None of these

    Correct Answer: B

    Solution :


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