8th Class Science Some Natural Phenomena Question Bank Some Natural Phenomena

  • question_answer
    What happens when water vapour changes to liquid in the form of rain drops?

    A)  Heat is absorbed.

    B)                         Heat is released.

    C)                         Heat is first absorbed and then released.

    D)                         There is no release of heat.

    Correct Answer: B

    Solution :

    The energy contained in the gaseous form (vapour) is more than the energy contained in the liquid form (water). Therefore, when vapour changes to water it loses some heat.


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