【判断题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
细口瓶盛放酸性试剂要用橡胶塞。碱性试剂要用玻璃塞。
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAA5ElEQVRYR2NkGGDAOMD2M+B0wKpVq9huv/jbxPD/fxwDA4MkhQ59zsDIuEhVgrkuLCzsF7JZOB3QOml5B8P//+UUWoyqnZGxszovsoI4B0xc9gyfzxmZmb2rcsK3IRvWMWm599///7fgcfTz6vwoKWId8B+f75kZGX0q8iK3kugAhur8KJRQxx0FE5fhdQC5UTPqgNEQGA2B0RAYDYHREBgNgaETAuTW96TqG7yt4tbRFhGRIQBqHTP9+8dIoDUMTxqk5AK8zXKYiaDWMYhNpANIaJYPdMdkwLtmpOZnctUPeDkAAP6tmiH1ggTLAAAAAElFTkSuQmCC)
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参考答案:
![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
【单选题】利用pH梯度萃取法分离蒽醌衍生物时,选取碱性试剂的顺序是
A.
5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、1%NaOH、5%NaOH、5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
B.
5%NaOH、1%NaOH、5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
C.
5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、1%NaOH、5%NaOH
D.
5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、1%NaOH、5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%NaOH
E.
5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%NaOH、1%NaOH
【单选题】利用pH梯度萃取法分离蒽醌衍生物时,选取碱性试剂的顺序是
A.
5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、1%NaOH、5%NaOH、5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
B.
5%NaOH、1%NaOH、5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
C.
5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、1%NaOH、5%NaOH
D.
5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、1%NaOH、5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%NaOH
E.
5%NaHCO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%Na
![](https://cdn.shuashuati.com/imgs/b2fc4b9413cc636422b01a97c0648e4d.gif)
CO
![](https://cdn.shuashuati.com/imgs/388c2efd5771c260afb438d12f71c530.gif)
、5%NaOH、1%NaOH
参考解析:
![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)