Chemical Reactions and Equations Quiz
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Questions and Answers

In the reaction 2H2 + O2 → 2H2O, how many moles of water are produced from 5 moles of oxygen?

  • 20 moles
  • 2.5 moles
  • 5 moles (correct)
  • 10 moles

    • What is the balanced chemical equation for the reaction between sulfuric acid and sodium hydroxide?

  • H2SO4 + 2NaOH → Na2SO4 + 2H2O
  • 2H2SO4 + NaOH → Na2SO4 + 2H2O
  • H2SO4 + NaOH → Na2SO4 + H2O
  • 2H2SO4 + 2NaOH → Na2SO4 + 2H2O (correct)

    • What type of reaction is the combustion of methane (CH4) in the presence of oxygen?

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

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