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

  • question_answer
    When a substance undergoes a physical change, what change is seen in its mass?

    A) It increases.

    B) It decreases.

    C) It remains the same.

    D)        It either increases or decreases.  4

    Correct Answer: C

    Solution :

    During a physical change, no new substance is formed. Hence, there is no change in the mass of the substance.


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