The Chemical Reactions Quiz
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Questions and Answers

Which of the following is NOT an example of a chemical reaction?

  • Melting of ice into water (correct)
  • Combustion reactions
  • Iron rusting
  • Photosynthesis

    • Which type of reaction releases energy in the form of heat?

  • Exothermic reactions (correct)
  • Combustion reactions
  • Decomposition reactions
  • Endothermic reactions

    • What is the color change observed in iron rusting?

  • Blue to green
  • Green to yellow
  • Silver to reddish brown (correct)
  • Red to blue

    • Which type of reaction absorbs energy?

    <p>Endothermic reactions</p> Signup and view all the answers

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

    <p>Combustion reactions</p> Signup and view all the answers

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