NaOH+N2O5-->NaNO3+H2O

2 NaOH + N₂O₅ -> 2 NaNO₃ + H₂O

NaOH+N2O3-->NaNO2+H2O

2 NaOH + N₂O₃ -> 2 NaNO₂ + H₂O

NaOH+CO2-->Na2CO3+H2O

2 NaOH + CO₂ -> Na₂CO₃ + H₂O

NaOH+SO2-->Na2SO3+H2O

2 NaOH + SO₂ -> Na₂SO₃ + H₂O

NaOH+SO3-->Na2SO4+H2O

2 NaOH + SO₃ -> Na₂SO₄ + H₂O

Ba(OH)2+CO2-->Ba(HCO3)2

Ba(OH)₂ + 2 CO₂ -> Ba(HCO₃)₂

NaOH+P2O5-->NaPO4+H2O

2 NaOH + P₂O₅ -> 2 NaPO₄ + H₂O

NOH+P2O5-->N2HPO4+H2O

4 NOH + P₂O₅ -> 2 N₂HPO₄ + H₂O

NaOH+P2O5-->NaH2PO4

2 NaOH + P₂O₅ -> 2 NaH₂PO₄

KOH+P2O5-->K2PO4+H2O

4 KOH + P₂O₅ -> 2 K₂PO₄ + H₂O

NaOH+H3PO4-->Na2HPO4+H2O

Cu(OH)2+2HCl-->CuCl2+H2O

2NaOH+CO2-->Na2CO3+H2O

Al4C3+12H2O-->4Al(OH)3+3CH4

Al2O3+6HNO3-->2Al(NO3)3+3H2O

Al(OH)3+H3PO4-->AlPO4+3H2O

NaOH+H3PO4 -->Na2HPO4+H2O

2 NaOH + H₃PO₄ -> Na₂HPO₄ + 2 H₂O

Cu(OH)2+HCl-->CuCl2+H2O

Cu(OH)₂ + 2 HCl -> CuCl₂ + H₂O

NaOH+CO2-->Na2CO3+H2O

2 NaOH + CO₂ -> Na₂CO₃ + H₂O

Al4C3+H2O-->Al(OH)3+CH4

Al₄C₃ + 12 H₂O -> 4 Al(OH)₃ + 3 CH₄

Al2O3+HNO3-->Al(NO3)3+H2O

Al₂O₃ + 6 HNO₃ -> 2 Al(NO₃)₃ + 3 H₂O

Al(OH)3+H3PO4-->AlPO4+H2O   

Al(OH)₃ + H₃PO₄ -> AlPO₄ + 3 H₂O

a) (NH₄)₂CO₃ + BaCl₂ -----> 2 NH₄Cl + BaCO₃

(NH₄)₂SO₄ +Ba(NO₃)₂ -------> BaSO₄ + 2 NH₄NO₃

(NH4)2CO3+BaCl2-->2NH4Cl+BaCO3

(NH4)2SO4+Ba(NO3)2-->BaSO4+2NH4NO3

NH4NO3+NaOH-->NaNO3+NH3+H2O

(NH4)2CO3+2NaOH→2H2O+Na2CO3+2NH3

(NH4)2SO4+2KOH-->2K2SO4+2NH3+H2O

(NH4)2SO4+Ba(OH)2-->>BaSO4+2NH3+H2O

\(a,K+H_2O\to KOH+\dfrac{1}{2}H_2\\ b,BaCl_2+Na_2SO_4\to BaSO_4\downarrow+2NaCl\\ c,Mg(NO_3)_2+2NaOH\to Mg(OH)_2\downarrow+2NaNO_3\\ d,2Al(OH)_3\xrightarrow{t^o}Al_2O_3+3H_2O\)

6NaOH + 2H₃PO₄ ---> 2Na₃PO₄ + 6H₂O

2KOH + BaCl₂ ---> 2KCl + Ba(OH)₂

Ba(OH)₂ + 2HNO₃ ---> Ba(NO₃)₂ + 2H₂O

Ca(OH)₂ + 2CO₂ ---> Ca(HCO₃)₂

2NaOH + CuSO₄ ---> Na₂SO₄ + Cu(OH)₂

3Ba(OH)₂ + 2Na₃PO₄ ---> 6NaOH + Ba₃(PO₄)₂

SO₂ + 2KOH ---> K₂SO₃ + H₂O

3Na₂CO₃ + 2Fe(OH)₃ ---> Fe₂(CO₃)₃ + 6NaOH

Ca(HCO₃)₂ + 2NaOH ---> 2NaHCO₃ + Ca(OH)₂

2KHSO₃ + Ba(OH)₂ ---> 2KOH + Ba(HCO₃)₂

1) CuCl2 + 2NaOH - -> Cu(OH)2 + 2NaCl

2) Fe (NO3)3 + 3NaOH - -> Fe(OH)3 + 3NaNO3

3) P2O5 + 3H2O - -> 2H3PO4

4) 2Al + 3H2SO4 - -> Al2(SO4)3 + 3H2

1) CuCl₂ + 2NaOH - -> Cu(OH)₂ + 2NaCl

2) Fe(NO3)₃ + 3NaOH - -> Fe(OH)₃ + 3NaNO₃

3) P₂O₅ + 3H₂O - -> 2H₃PO₄

4) 2Al + 3H₂SO₄ - -> Al₂(SO₄)₃ + 3H₂

1) H₂SO₄ + 2NaOH -> Na₂SO₄ + 2H₂O.
2) H₂SO₄ + Mg(OH)₂-> Mg(OH)₂ +2H₂O.
3)2HNO₃ + Zn(OH)₃ -> Zn(NO3)₂ + 2H₂O.

1. \(H_2SO_4\)+ NaOH --> \(Na_2SO_4\)+ \(H_2O\)
\(H_2SO_4\)+ 2NaOH --> \(Na_2SO_4\)+\(H_2O\)
\(H_2SO_4\)+ 2NaOH \(\rightarrow\) \(Na_2SO_4\)+2\(H_2O\)
2. \(H_2SO_4\)+ \(Mg\left(OH_2\right)\)--> \(MgSO_4\)+\(H_2O\)
\(H_2SO_4\)+\(Mg\left(OH_2\right)\)\(\rightarrow\) \(MgSO_4\)+2\(H_2O\)
3. \(HNO_3\)+\(Zn\left(OH\right)_3\)-->\(Zn\left(NO_3\right)_2\)+\(H_2O\)
2\(HNO_3\)+\(Zn\left(OH\right)_3\)-->\(Zn\left(NO_3\right)_2\)+\(H_2O\)
2\(HNO_3\)+\(Zn\left(OH\right)_3\)\(\rightarrow\)\(Zn\left(NO_3\right)_2\)+2\(H_2O\)

CaO + H₂O -> Ca(OH)₂

Na₂O + H₂O --> 2NaOH  ;

K₂O + H₂O --> 2KOH

P₂O₅ + 6NaOH → 2Na₃PO₄ + 3H₂O

2KOH + SO₂ --> K₂SO₃ + H₂O

Cu + 2HCl --> CuCl₂ + H₂

2Fe(OH)₃ --> Fe₂O₃ + 3H₂O