2Na+H2=2NaH
2NaH+O2=2NaOH
2NaOH+H2SO4=Na2SO4+H2O
Na2SO4+2KOH=K2SO4+2NaOH
NaOH+HCl=NaCl+H2O
Na+1+OH-+H+1+Cl-=Na+1+Cl-+H+1+OH-
H+1+OH-=H2O
2NaCl+H2=2HCl+2Na
Na+OH=NaOH
NaOH+HCl+H2O
2Na+H2=2NaH
2NaH+O2=2NaOH
2NaOH+H2SO4=Na2SO4+H2O
Na2SO4+2KOH=K2SO4+2NaOH
NaOH+HCl=NaCl+H2O
Na+1+OH-+H+1+Cl-=Na+1+Cl-+H+1+OH-
H+1+OH-=H2O
2NaCl+H2=2HCl+2Na
Na+OH=NaOH
NaOH+HCl+H2O