This reaction is:
Na2O + H2SO4 = Na2SO4 + H2O
Sodium chloride doesn't react with sulfuric acid.
H2SO4 + 2 NaOH --> Na2SO4 + 2 H2O. Sulfuric Acid + Sodium Hydroxide --> Sodium Sulfate + Water.
magnesium carbonate + sulfuric acid = magnesium oxide= carbon dioxide
This equation is CaO + H2SO4 = CaSO4 + H2O.
CuO + H2SO4 --> CuSO4 + H2O
The equation is:MgO + H2SO4 = MgSO4 + H2O
Copper oxide+ Sulphuric acid ----> copper sulphate +water
CoO + H2SO4 --> CoSO4 + H2O
Na + H2SO4 = Na2SO4 + H2(g)
NaCl and H2SO4 doesn't react.
2CH3COONa+H2SO4 ---> 2CH3COOH+Na2SO4
H2SO4 + 2NaOH --> Na2SO4 + 2H2O