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  3. 10th Class
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10th Class Science Sample Paper Science Olympiad Model Test Paper-13

  • question_answer
    In the periodic table, when we go from top to bottom in a group, size of the atom:

    A) Decreases

    B) Increases

    C) Doesn't change

    D)  All of these

    E) None of these

    Correct Answer: B

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