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Chemical Reactions and Equations Quiz
8 Questions
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Chemical Reactions and Equations Quiz

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@AgileSerpentine

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Questions and Answers

Which statement correctly describes a chemical reaction?

  • A chemical reaction is a physical change in which substances are rearranged to form new substances. (correct)
  • A chemical reaction is a change in state of matter from solid to liquid.
  • A chemical reaction is a change in color of a substance.
  • A chemical reaction is a process where energy is released.

    • Which of the following is NOT a characteristic of a chemical equation?

  • It represents the reactants and products of a chemical reaction.
  • It shows the conservation of mass.
  • It provides information about the speed of the reaction. (correct)
  • It indicates the physical state of the substances involved.

    • What happens to the total mass of substances during a chemical reaction?

  • It decreases.
  • It depends on the type of reaction.
  • It increases.
  • It remains constant. (correct)

    • Which of the following is NOT a unifying theme in biology?

    <p>Cellular organization</p> Signup and view all the answers

    What is the main role of genes in organisms?

    <p>To transmit hereditary information</p> Signup and view all the answers

    Which level of organization in biology focuses on the study of plants and animals?

    <p>Anatomy and physiology</p> Signup and view all the answers

    What is the method used by biologists to make observations and pose questions?

    <p>Scientific method</p> Signup and view all the answers

    What is the scope of biology as a natural science?

    <p>Broad and interdisciplinary</p> Signup and view all the answers

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