6th Class Science Changes Around us Question Bank Changes around us

  • question_answer
    Pasteurization of milk is a

    A)  physical and reversible change.

    B)         chemical and reversible change.

    C)         chemical and irreversible change.

    D)         neither physical nor chemical change.

    Correct Answer: D

    Solution :

    Pasteurization of milk does not involve any considerable physical or chemical change. During this process, harmful bacteria are killed and a negligible % of constituents of milk undergo change.


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