Make up the equations of chemical reactions, indicate the type of reaction. 1.Aluminum + oxygen

| June 17, 2021 | education

Make up the equations of chemical reactions, indicate the type of reaction. 1.Aluminum + oxygen 2.Magnesium + nitrogen 3.Potassium oxide + water 4.Sulfur (IV) oxide + water 5.Magnesium oxide + nitric oxide (V) 6.Aluminum + sulfuric acid 7.Sulfuric acid + calcium oxide 8. Sodium hydroxide + carbon dioxide 9.Hydrochloric acid + calcium hydroxide

1) 2Al + 3O2 = 2Al2O3 – compound reaction.
2) 3Mg + N2 = Mg3N2 – compound reaction.
3) K2O + H2O = 2KOH – compound reaction.
4) SO2 + H2O = H2SO3 – compound reaction.
5) MgO + N2O5 = Mg (NO3) 2 – compound reaction.
6) 2Al + 2H2SO4 = Al2 (SO4) 3 + 2H2 – substitution reaction.
7) H2SO4 + CaO = CaSO4 + H2O – substitution reaction.
8) 2NaOH + CO2 = Na2CO3 + H2O – substitution reaction.
9) H2SO4 + Ca (OH) 2 = CaSO4 + 2H2O – substitution reaction.



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