Ответ:

1) NH3+O2---->NO+H2O

2) C2H6+O2---->CO2+H2O

3)CS2+O2---->CO2+SO2

4)PbS+O2---->Pb+SO2

5)HgS+O2---->Hg+SO2

6)ZnS+O2---->ZnO+SO2

7)C2H2+O2---->CO2+H2O

8)SiH4+O2---->SiO2+2H2