1.Na2O+2HCl=2NaCl+H2O
2.NaOH+HCl=NaCl+H2O
3.Al2O3+3H2SO4=Al2(SO4)3+3H2O
4.2Al(OH)3+3H2SO4=Al2(SO4)3+6H2O
5.AgNO3+HCl=AgCl+HNO3
1.Na2O+2HCl=2NaCl+H2O
2.NaOH+HCl=NaCl+H2O
3.Al2O3+3H2SO4=Al2(SO4)3+3H2O
4.2Al(OH)3+3H2SO4=Al2(SO4)3+6H2O
5.AgNO3+HCl=AgCl+HNO3