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

  • question_answer
    What is a chemical reaction in which heat energy is liberated called?

    A)  An exothermic reaction

    B)         A physical change

    C)         An endothermic reaction

    D)         A photochemical reaction

    Correct Answer: A

    Solution :

    A chemical reaction in which heat energy is liberated is called an exothermic reaction.


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