皮皮学，免费搜题
登录
搜题
【单选题】
用铈量法测定盐酸盐酸氯丙嗪步骤如下：检品适量，溶于稀硫酸后立即用硫酸铈滴定液（0.1mol/L）滴定至形成的红色消失。终点指示原理是（）A.
硫酸铈与盐酸氯丙嗪形成配合物
B.
硫酸铈被氧化
C.
盐酸氯丙嗪溶于稀硫酸立即显红色，与硫酸铈反应后红色消失
D.
盐酸氯丙嗪被还原
E.
分步氧化：盐酸氯丙嗪分子在滴定过程中先失去一个电子形成红色的自由基，到达等当点时，全部氯丙嗪分子失去两个电子，红色消失。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】.succeed
in dealing with a difficult problem
【简答题】How did China succeed in containing the virus ? a. One is simply China's 1.________ of being the place to coronavirus cr started that has become an advantage since it now has the most knowledge a...
【单选题】I never thought such a little child could succeed ______ with such a troublesome case. [ ]
A.
in dealing
B.
to deal
C.
dealing
D.
of dealing
【简答题】Unit 3 练习册 page78 翻译练习 Translate the following sentences into Chineses. 1. Speak of the devil! 2. You believe in yourself and you were born to lead and organize others. 3. You’re a perfectionist and y...
【单选题】黄某,男,34岁,昨日突然仆倒,不省人事,两目,上视,四肢抽搐,口吐白沫。现心烦失眠,口苦咽干,便秘,舌红,苔黄腻, 脉数,宜选用:
A.
定痫丸
B.
龙胆泻肝汤合导痰汤
C.
龙胆泻肝汤合涤痰汤
D.
当归龙荟丸
E.
黄连解毒汤
【单选题】患者黄某，男，34岁，昨日突然仆倒，不省人事，两目上视，四肢抽搐，口吐白沫，现心烦失眠，口苦咽干，便秘，舌红，苔黄腻，脉数，宜选用（）
A.
定痫丸
B.
龙胆泻肝汤合导痰汤
C.
龙胆泻肝汤合涤痰汤
D.
当归龙荟丸
E.
黄连解毒汤
【单选题】黄某，男性，34岁，昨日突然仆倒，不省人事，两目上视，四肢抽搐，口吐白沫。现心烦失眠，口苦咽干，便秘，舌红，苔黄腻，脉数，宜选用
A.
定痫丸
B.
龙胆泻肝汤合导痰汤
C.
龙胆泻肝汤合涤痰汤
D.
当归龙荟丸
E.
黄连解毒汤
【简答题】Which of the following is not the disposition of an optimist? A. Outgoing. B. Enthusiastic. C. Upbeat. D. Nervous. 2. Which of the following is not true according to the passage? A. An opti...
【单选题】If you ________ something such as a problem, you succeed in ending it or dealing with it successfully.
A.
forego
B.
pilot
C.
conquer
D.
outstrip
相关题目：