Odpowiedź :
2N2+3O2--->2N2O3
N2+3H2--->2NH3
2K+H2--->2KH
H2+Cl2--->2HCl
2Fe+O2--->2FeO
Pb+O2--->PbO2
2As+3H2--->2AsH3
Mg+H2--->MgH2
4Al+3O2--->2Al2O3
H2+Cl2--->2HCl
2N2+3O2--->2N2O3
N2+3H2--->2NH3
2K+H2--->2KH
H2+Cl2--->2HCl
2Fe+O2--->2FeO
Pb+O2--->PbO2
2As+3H2--->2AsH3
Mg+H2--->MgH2
4Al+3O2--->2Al2O3
H2+Cl2--->2HCl