(1)2KMnO 4 K 2MnO 4+MnO 2+O 2↑
(2)4Al+3O 2 2Al 2O 3(3)2H 2O 2 2H 2O+O 2↑
(4)4P+5O 2 2P 2O 5(5)C 5H 5OH+3O 2 2CO 2+3H 2O
(6)NH 4HCO 3 NH 3↑+CO 2↑+H 2O