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Chemical Reactions and Equations Quiz
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Chemical Reactions and Equations Quiz

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@FortunateGold

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Questions and Answers

What is the balanced chemical equation for the reaction between sodium and water?

  • 2Na + 2H2O -> 2NaOH + H2 (correct)
  • Na + H2O -> NaOH + H2
  • 2Na + 2H2O -> 2NaH + O2
  • 2Na + H2O -> 2NaOH + H2

    • What type of reaction occurs when methane (CH4) undergoes combustion?

  • Synthesis reaction
  • Single displacement reaction
  • Combustion reaction (correct)
  • Decomposition reaction

    • In the reaction 2H2 + O2 -> 2H2O, what is the stoichiometric coefficient for oxygen (O2)?

  • 1
  • 4
  • 3
  • 2 (correct)

    • What happens to mass during a chemical reaction?

    <p>Mass is always conserved</p> Signup and view all the answers

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