Chemical Equations and Reactions Quiz
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Questions and Answers

What is the balanced chemical equation for the reaction between hydrogen and oxygen to form water?

  • 2H2 + O2 → 2H2O (correct)
  • H2 + O2 → H2O
  • H2O → H2 + O2
  • 2H2O → 2H2 + O2

    • What is the process called when a single compound breaks down into two or more simpler substances?

  • Synthesis reaction
  • Decomposition reaction (correct)
  • Combustion reaction
  • Replacement reaction

    • In a chemical equation, what does the symbol '→' represent?

  • Balances the equation
  • Consumes
  • Reverses the reaction
  • Yields or produces (correct)

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