(1)A:Na;B:Al;C:Fe;乙:Cl 2
(2)反应①:2Na+2H 2O==2NaOH+H 2↑;反应③:2NaOH+2H 2O+2Al==2NaAlO 2+3H 2↑
(3)反应④:Fe+2H +=Fe 2++H 2↑;反应⑥:Fe 3++3OH -= Fe(OH) 3↓
(1)A:Na;B:Al;C:Fe;乙:Cl 2
(2)反应①:2Na+2H 2O==2NaOH+H 2↑;反应③:2NaOH+2H 2O+2Al==2NaAlO 2+3H 2↑
(3)反应④:Fe+2H +=Fe 2++H 2↑;反应⑥:Fe 3++3OH -= Fe(OH) 3↓