States of Matter and Changes Quiz
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Questions and Answers

Which of the following best describes a physical change?

  • Burning of wood
  • Cooking an egg
  • Melting of ice (correct)
  • Formation of rust on iron

    • What is the behavior of gas described by Boyle's law when temperature is constant?

  • Volume remains constant at all pressures
  • Pressure is constant at all volumes
  • Pressure and volume are directly proportional
  • Pressure and volume are inversely proportional (correct)

    • Which statement best illustrates the law of conservation of mass in matter?

  • The total mass of reactants equals the total mass of products in a chemical reaction (correct)
  • The mass of a substance decreases during a physical change
  • The mass of a substance increases during a chemical reaction
  • The mass of a substance remains constant during changes in states of matter

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