Ответ:

1) H2+F2=2HF

2) 2K+I2=2KI

3) 6K+N2=2K3N

4) 4Al+3O2 =2Al2O3

5) 2Fe+3F2=2FeF3

6) 2 P+5Cl2=2PCl5

ZnS+2HCl=H2S+ZnCl2

ZnCl2+H2S =2HCl+ZnS

SiH4+2O2=SiO2+2H2O

4FeS+7O2=4SO2+2Fe2O3

2Al+3H2SO4 =Al2(SO4)3+3H2

Al2(SO4)3+3H2=3H2SO4 +2Al