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

  • question_answer
    Which of the following is an endothermic reaction?

    A)  The formation of curd from milk

    B)         The production of gas when quicklime is added to water

    C)         The opening of a soda bottle with production of gas

    D)         The freezing of water

    Correct Answer: A

    Solution :

    The formation of curd from milk becomes faster if we use hot milk. It means that heat energy is absorbed by milk in the formation of curd. It is an endothermic reaction.


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