A.一氧化碳
B.苯
C.氮氧化合物
D.铅
E.有机磷农药

A.5mg/m₃
B.8mg/m₃
C.10mg/m₃
D.15mg/m₃
E.20mg/m₃

A.3.333mg/m₃
B.3.33mg/m₃
C.3.34mg/m₃
D.3.30mg/m₃
E.3.3mg/m₃

A.12.5mg/m₃
B.10.0mg/m₃
C.0.0125mg/m₃
D.0.01mg/m₃
E.未给出配制时的温度和大气压无法计算标准状况下浓度

A.70%
B.80%
C.56%
D.41.2%
E.条件不足

A.0.01%
B.0.009%
C.0.05%
D.0.005%
E.0.001%

A.100℃±5℃
B.100℃±20℃
C.110℃±2℃
D.180℃±3℃
E.105℃±3℃

A.玻璃瓶包黑纸，每份水样包一张黑纸
B.塑料瓶装水样于冰箱内
C.玻璃瓶包黑纸装水样
D.塑料瓶包黑纸装水样
E.棕色玻璃瓶装水样

A.含219.8mg硫酸银溶液
B.含439.7mg硫酸银溶液
C.659.6mg固体硫酸银
D.879.4mg固体硫酸银
E.含879.4mg硫酸银的溶液

A.463nm
B.503nm
C.543nm
D.583nm
E.623nm

A.5.9mg/L
B.290mg/L
C.231mg/L
D.2.31mg/L
E.23.1mg/L