(1)Fe ; KSCN(或NH 4SCN)
(2)③⑥
(3)Fe 3O 4+8H +==Fe 2++2Fe 3++4H 2O
(4)2Na 2O 2+2H 2O==4NaOH+O 2↑ ;0.3
(5)3Cl 2+8NH 3=6NH 4Cl+N 2
(1)Fe ; KSCN(或NH 4SCN)
(2)③⑥
(3)Fe 3O 4+8H +==Fe 2++2Fe 3++4H 2O
(4)2Na 2O 2+2H 2O==4NaOH+O 2↑ ;0.3
(5)3Cl 2+8NH 3=6NH 4Cl+N 2