10th Class Science Sample Paper Science Olympiad Model Test Paper-6

  • question_answer
    Who among the following said that there are only 56 elements exists in nature and no new elements will be discovered in future?

    A) Mendeleev's

    B) Bhor

    C) Newlands

    D) Chadwick

    E) None of these

    Correct Answer: C


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