N2SO4+Ba(OH)2=BaSO4+2NaOH
SO3+H2O=H2SO4
Mg+2HCl=MgCl2+H2
Ca(OH)2+H2CO3=CaCO3+2H2O
NaCl+AgNO3=AgCl+NaNO3
BaO+H2O=Ba(OH)2
N2SO4+Ba(OH)2=BaSO4+2NaOH
SO3+H2O=H2SO4
Mg+2HCl=MgCl2+H2
Ca(OH)2+H2CO3=CaCO3+2H2O
NaCl+AgNO3=AgCl+NaNO3
BaO+H2O=Ba(OH)2