9th Class Science Matter in Our Surroundings Question Bank Matter in Our Surroundings

  • question_answer
    Which of the following statements are correct?
    I. Temperature changes during the change of a state.
    II. Dry ice gets converted directly into gaseous state under normal atmospheric conditions.
    III. Higher boiling point of liquid indicates weaker intermolecular forces.
    IV. Latent heat of vaporisation is generally higher than the latent heat of fusion for a substance.

    A)  I and IV                       

    B)  II and IV          

    C)         II and III          

    D)         III and IV

    Correct Answer: B


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