D
答案:D
A Cl 2+2NaOH=NaCl+NaClO+H 2O
B 2NH 3 +H 2SO 4=(NH 4) 2SO 4
C 5SO 2+2MnO 4 ―+2H 2O=5SO 4 2―+2Mn 2 ++4H +
D 应用NaOH或Na 2CO 3等来吸收
D
答案:D
A Cl 2+2NaOH=NaCl+NaClO+H 2O
B 2NH 3 +H 2SO 4=(NH 4) 2SO 4
C 5SO 2+2MnO 4 ―+2H 2O=5SO 4 2―+2Mn 2 ++4H +
D 应用NaOH或Na 2CO 3等来吸收