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10th Class Science Chemical Reactions and Equations Question Bank 10th CBSE Science Chemical Reactions and Equations

  • question_answer
      Why do fire flies glow at night?

    Answer:

                      Fire flies have a special kind of substance i.e., Lucifer in that undergoes oxidation (in the presence of air) in the presence of an enzyme. This reaction is accompanied by emission of light. Therefore, fire flies glow at night.       (2)       


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