Write the reaction equations corresponding to the following transformations S – SO2 – SO3 – H2SO4 – CuSO4

1) S + O₂ → SO₂. The type of this reaction is a compound reaction.
2) O₃ + SO₂ → SO₃ + O₂ ↑. The type of this reaction is a substitution reaction.
3) H₂O + SO₃ → H₂SO₄. The type of this reaction is a compound reaction.
4) CuO + H₂SO₄ → CuSO₄ + H₂O. The type of this reaction is an exchange reaction.



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