7th Class General Knowledge Miscellaneous / विविध Question Bank Science and Technology

  • question_answer
    Which of the following is an example of exothermic reaction?

    A)  Dissolving ammonium nitrate in water

    B)  Burning of magnesium ribbon

    C)  Addition of water to quicklime

    D)  Both [b] and [c]

    Correct Answer: D


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