Chemical Equation Challenge
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Questions and Answers

Which of the following reactions produces water?

  • Na + Cl2 -> 2NaCl
  • Mg + O2 -> 2MgO
  • Fe + CuSO4 -> FeSO4 + Cu
  • H2 + O2 -> H2O (correct)

    • Which of the following reactions produces ammonia?

  • Zn + HCl -> ZnCl2 + H2
  • N2 + 3H2 -> 2NH3 (correct)
  • H2SO4 + 2NaOH -> Na2SO4 + 2H2O
  • CaO + H2O -> Ca(OH)2

    • Which of the following reactions produces carbon dioxide?

  • CaCO3 -> CaO + CO2
  • NH4NO3 -> N2O + 2H2O
  • KClO3 -> KCl + 3O2
  • C6H12O6 -> 2C2H5OH + 2CO2 (correct)

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