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

  • question_answer
    Identify the change undergone by burning of wood.

    A)  Reversible change

    B)  Physical change

    C)  Chemical change

    D)  All of the above

    Correct Answer: C

    Solution :

    The burning of wood is a chemical change. When wood burns, new substances (ash and smoke) are formed.


You need to login to perform this action.
You will be redirected in 3 sec spinner