Chemical Reactions Identification Quiz
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Questions and Answers

What type of change is described when iron reacts with oxygen to form rust?

  • Nuclear Change
  • Thermal Change
  • Physical Change
  • Chemical Change (correct)

    • In a chemical equation, where are the products typically written?

  • Below the reactants
  • Above the reactants
  • On the left-hand side
  • On the right-hand side (correct)

    • What does a balanced chemical equation ensure?

  • Equal masses of reactants and products
  • Equal number of atoms of each element on both sides (correct)
  • Equal number of moles of each substance
  • Equal volumes of reactants and products

    • Which term refers to a chemical equation that only represents symbols and formulas of reactants and products?

    <p>Skeleton chemical equation</p> Signup and view all the answers

    What change happens during a decomposition reaction?

    <p>A compound breaks down into simpler substances</p> Signup and view all the answers

    In which type of change do old bonds break and new bonds form?

    <p>[Chemical Change]</p> Signup and view all the answers

    Which side of a chemical equation does the arrow point towards?

    <p>[Right-hand side]</p> Signup and view all the answers

    What is formed when Magnesium burns in air according to the provided skeletal equation?

    <p>MgO</p> Signup and view all the answers

    What does a balanced chemical equation ensure regarding the number of atoms for each element involved?

    <p>Equal number of atoms for all elements on both sides of the equation</p> Signup and view all the answers

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