1. KOH+HNO3--->KNO3+H2O
2K+2HNO3--->2KNO3+H2
K2O+2HNO3--->2KNO3+H2O
K2O+N2O5--->2KNO3
2KOH+N2O5--->2KNO3+H2O
2. 2NaOH+H2SO4--->Na2SO4+2H2O
2Na+H2SO4--->Na2SO4+H2
Na2O+H2SO4--->Na2SO4+H2O
Na2O+SO3--->Na2SO4
2NaOH+SO3--->Na2SO4+H2O
3. 3LiOH+H3PO4--->Li3PO4+3H2O
6Li+2H3PO4--->2Li3PO4+3H2
3Li2O+2H3PO4--->2Li3PO4+3H2O
6Li2O+P4O10--->4Li3PO4
12LiOH+P4O10--->4Li3PO4+6H2O