a) NaOH+HNO3--->NaNO3+H2O
b) 2Na+2HCl--->2NaCl+H2
c) SiO2+2LiOH--->Li2SiO3+H2O
d) Na2O+H2SO4--->Na2SO4+H2O
e) Na2SO3+Pb(NO3)2--->PbSO3↓+2NaNO3
f) 2Al+3Br2--->2AlBr3
g) 3KOH+H3PO4--->K3PO4+3H2O
h) K2O+CO2--->K2CO3
i) N2O5+2NaOH--->2NaNO3+H2O
j) K2CO3+H2SO4--->K2SO4+H2O+CO2