5th Class Science Matter and Materials Question Bank Matter

  • question_answer
    'Lohri? is a famous festival of India that is celebrated in North India with great vigour and excitement. In this festival, people burn wood as done in bonfire. When these wooden logs burn, they turn into ashes. What is such burning of wood, an example of?      [HOTS]

    A) Physical change                     

    B) Chemical change

    C) Both physical and chemical change    

    D) None of these

    Correct Answer: B

    Solution :

        Bonfire or burning of wood is on example of chemical change where the burnt wooden logs cannot be reversed back to Solid wood. Wood once formed into ash


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