C+O2=CO2
CO2+H2O=H2CO3
NaOH+H2CO3=Na2CO3+H2O
4Na+O2=2Na2O
Na2O+H2O=2NaOH
2NaOH+Cu(NO3)2=2NaNO3+Cu(OH)2
Другой лист:
BaCl2+Na2SO4=2NaCl+BaSO4
2HCl+Zn=ZnCl2+H2
2NaOH+H2SO4=Na2SO4+H2O
2Zn+O2=2ZnO
Cl2+H2=2HCl
MgO+2HCl=MgCl2+H2O
C+O2=CO2
CO2+H2O=H2CO3
NaOH+H2CO3=Na2CO3+H2O
4Na+O2=2Na2O
Na2O+H2O=2NaOH
2NaOH+Cu(NO3)2=2NaNO3+Cu(OH)2
Другой лист:
BaCl2+Na2SO4=2NaCl+BaSO4
2HCl+Zn=ZnCl2+H2
2NaOH+H2SO4=Na2SO4+H2O
2Zn+O2=2ZnO
Cl2+H2=2HCl
MgO+2HCl=MgCl2+H2O