Chemical Equations Quiz

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

• 2H2 + O2 -> 2H2O

• H2 + O2 -> HO2

• H2 + O2 -> H2O2

• H2 + O2 -> H2O + O

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

• 2Na + Cl2 -> 2NaCl

• Na + Cl -> NaCl2

• Na + 2Cl2 -> NaCl2

• Na + Cl2 -> Na2Cl

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

• 2 Fe + O2 -> Fe2O3

• Fe + O2 -> FeO

• Fe2O3 -> FeO + O2

• Fe2O3 -> Fe + O2

Balance the following chemical equation: Mg + HCl -> MgCl2 + H2

• Mg + HCl -> MgCl + H2

• Mg + 2HCl -> MgCl + H2

• Mg + 2HCl -> MgCl2 + H2

• 2Mg + 2HCl -> 2MgCl2 + H2

Balance the following chemical equation: Al + Br2 -> AlBr3

• Al + 3Br2 -> 2AlBr3

• 2Al + 3Br2 -> AlBr3

• Al + 2Br2 -> AlBr3

• Al + 2Br2 -> AlBr2

Balance the following chemical equation: Ca + O2 -> CaO

• Ca + O2 -> Ca2O2

• Ca + O2 -> 2CaO

• Ca + O2 -> Ca2O

• Ca + O2 -> CaO2

Balance the following chemical equation: C + O2 -> CO2

• C + O2 -> CO

• C + O2 -> CO3

• C + O2 -> C2O2

• C + O2 -> CO2

Balance the following chemical equation: NH3 + O2 -> NO + H2O

• 2 NH3 + 5 O2 -> 2 NO + 3 H2O

• NH3 + 2 O2 -> NO + H2O

• 3 NH3 + 4 O2 -> 3 NO + 2 H2O

• 2 NH3 + 5/2 O2 -> 2 NO + 3 H2O

Balance the following chemical equation: CH4 + O2 -> CO2 + H2O

• CH4 + 2O2 -> CO2 + 2H2O

• CH4 + O2 -> CO + H2O

• CH4 + 2O2 -> CO2 + H2

• CH4 + O2 -> CO2 + H2O

Balance the following chemical equation: C6H12O6 -> C2H5OH + CO2

• C6H12O6 -> C2H5OH + CO

• C6H12O6 -> C2H6O + CO2

• C6H12O6 -> C2H5OH + CO

• C6H12O6 -> 2C2H5OH + 2CO2