A.乙烯和苯都可以与氢气发生加成反应 |
B.羊毛、棉花的主要成分相同,都是纤维素 |
C.牛油、润滑油都属于油脂 |
D.乙醇和乙酸分子中都含有C=O键 |
A.32% | B.46.6% | C.85.7% | D.92.3% |
A.HCHO | B.CH3OH | C.HCOOH | D.CH3COOCH3 |
A.①② | B.③④⑤ | C.①④⑤ | D.①③④ |
A. CH3CH2C(CH2CH3)3 | B.CH3CH2OH |
C. CH3CH(CH3)2 | D.CH3CH2CH2CH3 |
© 2017-2019 超级试练试题库,All Rights Reserved.