... 6NaCl18.2FeCl 3 + 2Na2CO 3 + 3H2O = 2Fe(OH) 3 + 3CO2 + 6NaCl19.2Fe 3+ + 3CO 3 2- + 3H2O = 2Fe(OH) 3 + 3CO220.2Fe(OH) 3 to Fe2O 3 + 3H2O10521. 2Fe2O 3 + CO to 2Fe 3 O4 ... +2Ag H-COOH+2Cu(OH)2 3H2O+ CO2+Cu2O Ag(tráng gơng) đỏ gạchH-CO-OR AgNO 3 /NH 3 Cu(OH)2H-C-OR+Ag2O NH 3 HO-C-OR+2AgH-CO-OR+2Cu(OH)2 HO-COOR +Cu2O +2H2O Ag (tráng gơng) ... + H2CO 3 9. 2NO2 + 2OH - NO 3 - + NO2 - + H2O10. Cl2 + 2OH - Cl - + ClO - + H2O11. SO2 + 2OH - SO 3 - + H2O12. CO2 + 2OH - CO 3 2- + H2OA. 1, 2, 3, 6, 7 B....