1
As₂O₃ + H₂SO₄ + Zn → AsH₃ + H₂O + ZnSO₄
2
FeCl₃ + NH₄OH → Fe(OH)₃ + NH₄Cl
3
Cr₂O₃ + Na₂CO₃ + KNO₃ → CO₂ + Na₂CrO₄ + KNO₂
4
KMnO₄ + HBr → KBr + MnBr₂ + Br₂ + H₂O
5
Sb₂S₃ + O₂ → Sb₂O₃ + SO₂
6
Cu + AgNO₃ → Cu(NO₃)₂ + Ag
7
Al(NO₃)₂ + H₂SO₄ → HNO₃ + Al₂(SO₄)₃
