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  3. 7th Class
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  5. Physical and Chemical Changes

7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    Which of the processes below involves change in state?

    A) Evaporation                

    B) Condensation

    C) Sublimation                

    D) All of the above

    Correct Answer: D

    Solution :

    Evaporation (liquid to vapour), condensation (vapour to liquid) and sublimation (solid to vapour) involves change of state.


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