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9th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    Why do solids have fixed shape and volume?

    A) Because of large gap between the constituent particles.

    B) Because of strong intermolecular forces between the constituent particles.

    C) Because of high kinetic energy of constituent particles.

    D) Because particles of solids are smaller than that of liquids and gas.

    E) None of these

    Correct Answer: B

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