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

  • question_answer
    The burning of coal in air is a                  

    A)  physical change.                        

    B)         chemical change.      

    C)                        reversible change.

    D)         periodic change.

    Correct Answer: B

    Solution :

    A change in composition occurs when coal is burnt in air. So, it is a chemical change.


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