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

  • question_answer
    Which of the following is NOT correctly paired?

    A)  Sublimation - Physical change

    B)  Precipitation - Physical change

    C)  Decomposition - Chemical change

    D)  Decantation - Chemical change

    Correct Answer: D

    Solution :

    Decantation - It is the process of pouring out supernatent liquid from the sediment solid. It is not a chemical change.


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