Chemistry: Physical and Chemical Changes
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Questions and Answers

What type of change occurs when a solid is heated to its boiling point?

  • Physical change (correct)
  • Chemical change
  • Irreversible change
  • Reversible change

    • Which of the following is an example of a chemical change?

  • Rusting of a nail (correct)
  • Melting of ice
  • Melting of chocolate
  • Scrunching up a piece of paper

    • What type of change is characterized by a material not being able to return to its original state?

  • Reversible change
  • Chemical change
  • Physical change
  • Irreversible change (correct)

    • What type of change occurs when a substance changes color?

    <p>Chemical change</p> Signup and view all the answers

    What type of change occurs when melted chocolate is cooled and returns to its original state?

    <p>Reversible change</p> Signup and view all the answers

    What type of change occurs when steam is produced from boiling water?

    <p>Physical change</p> Signup and view all the answers

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