A、CH<sub>3sub> B、CO<sub>2sub> C、丙烷 D、苯
A、CH<sub>3sub>CH<sub2>CH(CH<sub>3sub>)Br B、(CH<sub>3sub>)<sub>3sub>CBr C、CH<sub>3sub>CH(CH<sub>3sub>)CH<sub>2sub>Br D、CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>CH<sub>2sub>Brsub2>
A、(CH<sub>3sub>)<sub>3sub>CCH<sub>2sub>Br B、CH<sub>3sub>CH(CH<sub>3sub>)CH(CH<sub>3sub>)CH<sub>2sub>Cl C、CH<sub>3sub>CH<sub>2sub>CH(Br)CH<sub>3sub> D、CH<sub>3sub>CH<sub>2sub>CH(CH<sub>3sub>)CH<sub>2sub>(Cl)
A、A.(CH<sub>3sub>)<sub>2sub>CHCOOC<sub>2sub>H<sub>5sub>
B.CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>COOCH<sub>3sub>
C.CH<sub>3sub>CH<sub>2sub>COOCH<sub>2sub>CH<sub>2sub>CH<sub>3sub>
D.CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>COOCH<sub>2sub>CH<sub>2sub>CH<sub>3sub>
A、CH<sub>3sub>NH<sub>2sub> B、CH<sub>3sub>CH<sub>2sub>NHCH<sub>3sub> C、CH<sub>3sub>CH<sub>2sub>NH<sub>2sub> D、(CH<sub>3sub>CH<sub>2sub>)<sub>3sub>N
A、CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>CH<sub>3sub> B、CH<sub>3sub>CH(CH<sub>3sub>)<sub>2sub> C、CH<sub>3sub>C(CH<sub>3sub>)<sub>3sub> D、(CH<sub>3sub>)<sub>2sub>CHCH<sub>2sub>CH<sub>3sub>
A、样气进气量太少(正确答案) B、CH<sub>4sub>组分浓度太高 C、色谱图Y轴显示比例调的低 D、A、B、C、均不对
A、CH<sub>3sub>CH=C=CHCH<sub>3sub> B、CH<sub>3sub>CH=CH(CH<sub>2sub>)<sub>3sub>CH=CH<sub>2sub> C、CH<sub>2sub>=CH-CH=C(CH<sub>3sub>)–C<sub>2sub>H<sub>5sub> D、CH<sub>2sub>=CHCH<sub>2sub>CH(C<sub>2sub>H<sub>5sub>)CH<sub>2sub>CH=CH<sub>2sub>