Balance:- Chlorine reacts with oxygen to form chlorine heptoxide Carbon reacts with oxygen to give Carbon monoxide Nitrogen reacts with oxygen to give Nitrogen monoxide Hydrogen burns in presence of air to form water Magnesium burns in presence of nitrogen to form Magnesium Nitride Share with your friends Share 8 Akanksha Jain answered this The balanced equations are: 1) 2Cl2 + 7O2 → 2Cl2O72) 2C + O2 → 2CO3) N2 + O2 →2NO4) 2H2 + O2 →2H2O5) 3Mg + N2 →Mg3N2 16 View Full Answer