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【单选题】If those "mad moments"— when you can’t recall what your friend has told you or where you left your keys—are becoming more frequent, mental exercises and a healthy brain diet may help. Just as bodies r...
A.
have some mental problems
B.
have lost our important things
C.
don’t listen to what our friends tell us to do
D.
fail to remember what should be remembered
【简答题】下列四个电对中φθ(I2/I-)=0.536V，φθ(Br2/Br-)=1.066V，φθ(Cl2/Cl-)= 1.358V，φθ(Fe3+/Fe2+)=0.771V，最强的氧化剂( ) 。
【单选题】If those "mad moments"— when you can’t recall what your friend has told you or where you left your keys—are becoming more frequent, mental exercises and a healthy brain diet may help. Just as bodies r...
A.
everyone can be forgetful sometimes regardless of one’s age
B.
we can pr our sound mind from aging with certain methods
C.
brain aging starts from the time when we are in our 20s and 30s
D.
memory loss is a sign that shows we are getting old
【多选题】下列对于抗氧化剂的描述正确的有（）
A.
抗氧化剂具有延长贮藏期，阻止或推迟食品氧化
B.
抗氧化剂按组成可分为天然的和人工合成的
C.
根据作用机理可分为主抗氧化剂和次抗氧化剂
D.
BHT、柠檬酸和赖氨酸都可作为抗氧化剂
相关题目：
【判断题】扑救氧化剂类的火灾，可用干粉、水、二氧化碳。（）
A.
正确
B.
错误
【单选题】If those "mad moments"— when you can’t recall what your friend has told you or where you left your keys—are becoming more frequent, mental exercises and a healthy brain diet may help. Just as bodies r...
A.
have some mental problems
B.
have lost our important things
C.
don’t listen to what our friends tell us to do
D.
fail to remember what should be remembered
【判断题】抗氧化剂要尽早加入。( )
A.
正确
B.
错误
【单选题】注射液中常加入的抗氧化剂有
A.
硫酸钠
B.
碳酸钠
C.
磷酸氢二钠
D.
亚硫酸氢钠
E.
氯化钠
【单选题】抗氧化剂可分为油溶性抗氧化剂和水溶性抗氧化剂两类,下列不属于一类的是( )。
A.
没食子酸丙酯
B.
丁基羟基茴香醚
C.
二丁基羟基甲苯
D.
抗坏血酸
【单选题】下列哪种物质是对抗自由基最有效的抗氧化剂（）。
A.
生物素
B.
胡萝卜素
C.
葡萄糖
D.
氨基酸
【单选题】If those "mad moments"— when you can’t recall what your friend has told you or where you left your keys—are becoming more frequent, mental exercises and a healthy brain diet may help. Just as bodies r...
A.
everyone can be forgetful sometimes regardless of one’s age
B.
we can pr our sound mind from aging with certain methods
C.
brain aging starts from the time when we are in our 20s and 30s
D.
memory loss is a sign that shows we are getting old
【单选题】用甲醛进行熏蒸消毒需加入的氧化剂是
A.
氢氧化钠
B.
乳酸钠
C.
高锰酸钾
D.
亚硝酸钠
E.
氯化钾
【单选题】属于氧化剂类的消毒剂是（）
A.
高锰酸钾
B.
来苏
C.
戊二醛
D.
龙胆紫
E.
新洁尔灭
【单选题】抗氧化剂不能防止（）
A.
油脂酸败
B.
食物腐败变质
C.
食物氧化褪色
D.
食物褐变
E.
维生素氧化破坏
【单选题】下列物质属于氧化剂的是()。
A.
硫磺
B.
木炭
C.
高氯酸钾
【单选题】(单选)下列属于化妆品中的抗氧化剂的是( )
A.
叔丁基羟基苯甲酸(BHA)
B.
乙二醇
C.
乙醇
D.
甘油
【多选题】下列对于抗氧化剂的描述正确的有（）
A.
抗氧化剂具有延长贮藏期，阻止或推迟食品氧化
B.
抗氧化剂按组成可分为天然的和人工合成的
C.
根据作用机理可分为主抗氧化剂和次抗氧化剂
D.
BHT、柠檬酸和赖氨酸都可作为抗氧化剂
【单选题】以下不是抗氧化剂的是
A.
没食子酸丙酯
B.
叔丁基羟基茴香醚
C.
维多酚
D.
维生素E
E.
丙酸钙
【判断题】氯气在氧化还原反应中属于氧化剂。
A.
正确
B.
错误