123()()1997122010619905.219982001320052162030km()70801987()SO2+H2O=H2SO32H2SO3+O22H2SO41825()()()12SO234???0??A.B.C.D.?A.SO2B.CO2C.NO2D.CODD?A.B.C.D.?①CO;CO②2;NO;③④A.①②B.①③C.③④D.①③④BD?A.B.C.D.D?(O3)A.CO2B.C.O2D.?A.B.C.D.?A.SO2B.CO2C.NO2D..DDB?A.B.C.D.?A.①②⑤B.①②③C.②③④D.②③⑤CB?A.pH3.6B.pH4.4C.pH5.6D.pH7.?A.B.C.D.CA?;②;③ABCDB?A.B.C.D.?ABCDCDA?;;;A.B.C.D.①②③②③④①③④①②③④A.B.C.D.CB?~④A.B.C.D.①②②③①④①②③D?×A.③B.C.③D.③D?A.B.C.D.D??A.B.C.D.CD?A.SO2+NH3+H2O=(NH4)2SO3B.NO2+NO+NaOH=2NaNO2+H2OC.CuSO4Cu+2H2SO4()=CuSO4+SO2↑+2H2OD.CuSO42Cu+O2=2CuOCuO+H2SO4()=CuSO4+H2O?21A.NH3+H2O+CO2=NH4HCO3B.C.D.2NH4Cl+Ca(OH)2△CaCl2+2H2O+2NH3↑A?(Cl2)(NCl3)A.B.C.D.B?2004ABCDC?()????????????19901198984.7()18()244()40?()()()(1____.A.B.C.2_________________________________________3___________________()!