5th Class Science Sample Paper Science Olympiad Model Test Paper-16

  • question_answer
    Which one of the following gases contributes less than 1% of the air by volume?

    A) Argon   

    B)        Helium

    C) Carbon dioxide

    D)        All of these

    E) None of these

    Correct Answer: D


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