试题与答案

阿司匹林的哪个水解产物可与三氯化铁反应显紫堇色A.苯甲酸B.苯乙酸C.甲酸D.水杨酸

题型:单项选择题

题目:

阿司匹林的哪个水解产物可与三氯化铁反应显紫堇色

A.苯甲酸
B.苯乙酸
C.甲酸
D.水杨酸
E.乙酸

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A,B,E解析: 花卉养殖、海水养殖所得,可以减半征税,不是免税。

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A.Queen Street B.Elizabeth Street
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