Chemical Equations Quiz

Balance the following chemical equation: H2 + O2 -> H2O

• 2H2 + O2 -> 2H2O

• H2O -> H2 + O2

• 2H2 + 2O2 -> 2H2O

• H2 + O2 -> H2O2

Balance the following chemical equation: Na + Cl2 -> NaCl

• 2Na + 2Cl2 -> 2NaCl

• 2Na + Cl2 -> 2NaCl

• Na2 + Cl2 -> NaCl

• Na + 2Cl2 -> NaCl2

Balance the following chemical equation: Fe + O2 -> Fe2O3

• Fe2 + O3 -> Fe2O3

• 2Fe + 3O2 -> 2Fe2O3

• Fe + O3 -> FeO3

• 2Fe + 2O2 -> 2Fe2O2

Balance the following chemical equation: Al + O2 -> Al2O3

• 2Al + 3O2 -> 2Al2O3

• 2Al + 2O2 -> 2Al2O3

• 3Al + 3O2 -> 3Al2O3

• Al + O2 -> AlO3

Balance the following chemical equation: Mg + O2 -> MgO

• Mg2 + O2 -> MgO

• Mg + O2 -> MgO2

• 2Mg + O2 -> MgO

• 2Mg + O2 -> 2MgO

Balance the following chemical equation: C3H8 + O2 -> CO2 + H2O

• C3H8 + 5O2 -> 2CO2 + 4H2O

• C3H8 + 6O2 -> 3CO2 + 4H2O

• C3H8 + 4O2 -> 3CO2 + 4H2O

• C3H8 + 5O2 -> 3CO2 + 4H2O

Balance the following chemical equation: N2 + H2 -> NH3

• N2 + H2 -> NH4

• N2 + 3H2 -> 2NH3

• N2 + 4H2 -> 3NH3

• N2 + 2H2 -> NH3

Balance the following chemical equation: K + H2O -> KOH + H2

• 2K + 2H2O -> 2KOH + H2

• K + 2H2O -> KOH + 2H2

• 2K + H2O -> 2KOH + H2

• K + H2O -> KHO + H2

Balance the following chemical equation: Ca + H2O -> Ca(OH)2 + H2

• Ca + H2O -> CaO + H2O

• Ca + H2O -> CaOH + H2

• Ca + 2H2O -> Ca(OH)2 + H2

• Ca + H2O -> Ca(OH)2 + O2

Balance the following chemical equation: Pb(NO3)2 + KI -> PbI2 + KNO3

• Pb(NO3)2 + 2KI -> PbI2 + 2KNO3

• 2Pb(NO3)2 + 2KI -> 2PbI2 + 2KNO3

• 3Pb(NO3)2 + 4KI -> 3PbI2 + 4KNO3

• 2Pb(NO3)2 + 4KI -> 2PbI2 + 4KNO3