2Na+Br₂-->2NaBr 2Fe+3Cl₂-->2FeCl₃ N₂+3H₂-->2NH₃
4Al+3C-->Al₄C₃
3Mg+2P-->Mg₃P₂ 4B+3O₂-->2B₂O₃ 2H₂O-->2H₂+O₂
2Fe+3Br₂-->2FeBr₃
2Na+H₂-->2NaH 4P+5O₂-->2P₂O₅
2K+S-->K₂S 4Ag+O₂-->2Ag₂O 2Al+3I₂-->2All₃
C+2H₂-->CH₄
Уровень 2
2Al+WO₃-->W+Al₂O₃
PbO₂+2H₂-->Pb+2H₂O
4NH₃+3O₂-->2N₂+6H₂O
Ca+2HCl-->CaCl₂+H₂
2Al+Cr₂O₃-->Al₂O₃+2Cr
2KNO₃-->2KNO₂+O₂
Na₂SO₄+BaCl₂-->BaSO₄+2NaCl
2Na₂O₂+2H₂O-->4NaOH+O₂
CH₄+2O₂-->CO₂+2H₂O
Fe₂O₃+6HCl-->2FeCl₃+3H₂O
2H₂S+3O₂-->2SO₂+2H₂O
Al₂O₃+6HCl-->2AlCl₃+3H₂O
3 Уровень
Zn(OH)₂+2HNO₃-->Zn(NO₃)₂+2H₂O
Ba(NO₃)₂+K₂SO₄-->BaSO₄+2KNO₃
Na₂SiO₃+CaCl₂-->2NaCl+CaSiO₃
CuCl₂+2KOH-->Cu(OH)₂+2KCl
Ba(OH)₂+2HNO₃-->Ba(NO₃)₂+2H₂O
2K₃PO₄+3Ba(NO₃)₂-->6KNO₃+Ba₃(PO₄)₂