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【多选题】
下列对维生素E的理化性质描述正确的是()A.
无氧条件下，在酸溶液和碱溶液中回流，水解为消旋的α-生育酚
B.
与三价铁离子作用，被氧化成α-生育醌，后者与2,2’-联吡啶作用生成血红色的亚铁络合物
C.
本品的乙醇溶液与硝酸共热，生成生育红
D.
无氧环境对热不稳定
E.
有氧条件下，α-生育酚能被迅速氧化成醌
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反馈参考答案：
举一反三
【简答题】When your child asks you questions, you should give her
【单选题】You should give your children more opportunities to have personal time and space to ______ with friends or do whatever they want..
A.
check out
B.
give out
C.
hang out
D.
apart from
【简答题】Illustrate on the features of Realism in Chinese. You should give your idea as brief as you can.
【简答题】针织可分为哪两大类?
【简答题】java实验三.doc
【单选题】To maintain a healthy social support system, you should give your friends as many phone calls or emails as possible.
A.
Y
B.
N
C.
NG
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