Chemical Reactions Overview
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Questions and Answers

What is a chemical reaction?

  • A transformation of a chemical substance into another (correct)
  • A physical change of a substance
  • Formation of mixtures
  • A change in state of matter

What is true about the products in a chemical reaction?

  • They are mixtures of reactants
  • They are completely different from the reactants (correct)
  • They undergo physical changes only
  • They have the same properties as the reactants

What undergoes a rearrangement in a chemical reaction?

  • Electrons
  • Kinetic energy
  • Atmospheric pressure
  • Chemical bonds and atoms (correct)

What are substances that participate in a chemical reaction known as?

<p>Reactants (B)</p> Signup and view all the answers

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

<p>Melting of ice (A)</p> Signup and view all the answers

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