5th Class Science Matter and Materials Question Bank Matter

  • question_answer
    Select the option that correctly gives the examples of physical and chemical changes.

    A)
    Physical change Chemical change
    Tearing of paper Breaking of glass
                   

    B)
    Physical change Chemical change
    Burning of paper Cooking of food
                   

    C)
    Physical change Chemical change
    Rusting of iron Melting of butter
                   

    D)
    Physical change Chemical change
    Formation of ice Burning of wood

    Correct Answer: D

    Solution :

    In physical change only the physical state of the substance changes and no new products are formed e.g., tearing of paper, breaking of glass, melting of butter, formation of ice, etc. In chemical change, chemical composition of a substance changes and new substance is formed e.g., burning of paper, cooking of food, rusting of iron, burning of wood etc.


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