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题目内容
(请给出正确答案)
A.As
O![](https://assets.51tk.com/images/b8728c653e159446_img/d572220cc20fceb4.gif)
B.无水对氨基苯磺酸
C.K
Cr
O![](https://assets.51tk.com/images/b8728c653e159446_img/96e15a357598a9de.gif)
D.Na
CO![](https://assets.51tk.com/images/b8728c653e159446_img/a23b18817e65336d.gif)
E.Na
S
O![](https://assets.51tk.com/images/b8728c653e159446_img/496c3f960d84f92c.gif)
![](https://assets.51tk.com/images/b8728c653e159446_img/14c1ea01d9f1860d.gif)
![](https://assets.51tk.com/images/b8728c653e159446_img/d572220cc20fceb4.gif)
B.无水对氨基苯磺酸
C.K
![](https://assets.51tk.com/images/b8728c653e159446_img/c1679ec218eba348.gif)
![](https://assets.51tk.com/images/b8728c653e159446_img/6473875d383c7895.gif)
![](https://assets.51tk.com/images/b8728c653e159446_img/96e15a357598a9de.gif)
D.Na
![](https://assets.51tk.com/images/b8728c653e159446_img/452860779e224378.gif)
![](https://assets.51tk.com/images/b8728c653e159446_img/a23b18817e65336d.gif)
E.Na
![](https://assets.51tk.com/images/b8728c653e159446_img/f1deb95543c5ce64.gif)
![](https://assets.51tk.com/images/b8728c653e159446_img/2beee96d48ec8ceb.gif)
![](https://assets.51tk.com/images/b8728c653e159446_img/496c3f960d84f92c.gif)
标定硫代硫酸钠滴定液时,应选择____________作为基准物质
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解析:
更多 “A.AsOB.无水对氨基苯磺酸C.KCrOD.NaCOE.NaSO标定硫代硫酸钠滴定液时,应选择____________作为基准物质” 相关考题
考题
单选题苯胺在浓硫酸的作用下,当加热到180℃主要产生()A
对氨基苯磺酸B
间氨基苯磺酸C
3,4-二氨基苯磺酸
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