1. 4K+О2=2K20
2. CaO+2HCL=H2O+CaCl2
3. CaO+CO2=CaCO3
4. CaO+H2O=Ca(OH)2
5. S+O2=SO2
6. SO2+2NaOH=Na2SO4+H2O
7. SO2+CaO=CaSO3
8. SO2+H2O=H2SO3
9. 2Zn+O2=2ZnO
10.ZnO+2NaOH=Zn(OH)2+Na2O
11.ZnO+SO2=ZnSO3
12.AI+3NaOH=H3AIO3+3Na
1. 4K+О2=2K20
2. CaO+2HCL=H2O+CaCl2
3. CaO+CO2=CaCO3
4. CaO+H2O=Ca(OH)2
5. S+O2=SO2
6. SO2+2NaOH=Na2SO4+H2O
7. SO2+CaO=CaSO3
8. SO2+H2O=H2SO3
9. 2Zn+O2=2ZnO
10.ZnO+2NaOH=Zn(OH)2+Na2O
11.ZnO+SO2=ZnSO3
12.AI+3NaOH=H3AIO3+3Na