单选题 适中0.65 引用3 组卷129
下列装置能达到实验目的的是
![](https://img.xkw.com/dksih/QBM/2016/2/17/1576276177010688/1576276177387520/STEM/c27d4ba1820b4c5cb96b38f982367308.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1576276177010688/1576276177387520/STEM/7e37fc300c3d42fbb42a827e3287a5cc.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1576276177010688/1576276177387520/STEM/2500220b86754411b7fa6b79abc05a29.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1576276177010688/1576276177387520/STEM/74a368091e7945c69fa3cf05b10b9eae.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1576276177010688/1576276177387520/STEM/c27d4ba1820b4c5cb96b38f982367308.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1576276177010688/1576276177387520/STEM/7e37fc300c3d42fbb42a827e3287a5cc.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1576276177010688/1576276177387520/STEM/2500220b86754411b7fa6b79abc05a29.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1576276177010688/1576276177387520/STEM/74a368091e7945c69fa3cf05b10b9eae.png)
A.图1: 制取少量纯净的水 | B.图2:除去Cl2中HCl杂质 |
C.图3:烧瓶内形成蓝色喷泉 | D.图4:探究NaHCO3的热稳定性 |
15-16高一上·河北唐山·期末
类题推荐
现用传感技术测定喷泉实验中的压强变化来认识喷泉实验的原理,实验时将浓氨水滴入圆底烧瓶中,待三颈烧瓶中收集满气体后,关闭图1中的活塞a,不再产生气体时关闭止水夹b。用插有吸入水的胶头滴管的单孔塞塞紧三颈烧瓶的左颈口d,打开止水夹c,将胶头滴管中的水挤入三颈烧瓶中,完成喷泉实验。电脑绘制三颈烧瓶内压强变化曲线图2。下列说法正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/4ef74cbc-2377-434d-af6f-e399052edf24.png?resizew=688)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/4ef74cbc-2377-434d-af6f-e399052edf24.png?resizew=688)
A.三颈烧瓶内可以看到红色喷泉 |
B.干燥氨气可选用氯化钙 |
C.图1中氧化钙可用碱石灰代替 |
D.由图2可知D点时喷泉最剧烈 |
组卷网是一个信息分享及获取的平台,不能确保所有知识产权权属清晰,如您发现相关试题侵犯您的合法权益,请联系组卷网