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

  • question_answer
    Which of the following is an irreversible change?

    A)  Change of water into steam

    B)  Melting of wax

    C)  Transpiration

    D)  Corrosion

    Correct Answer: D

    Solution :

    Corrosion is a chemical change, and it is irreversible.


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