根据下列反应所设计的原电池,不需用惰性电极的是:
A:
B:
C:
D:
A:
B:
C:
D:
举一反三
- 设A=<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/bc546fc03fdb4ba3b7e6b144b6371d7f.png" />,B=Р(Р(A)) 下列( )表达式不成立。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/6e615703da60435893f9e9a9273e12e5.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/64c831067d054e71a6c76f43849d450d.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/72023a5250e44c12b98923044194f13d.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/c48e039a739c4502830eee7ae0ac1678.png" />
- 原电池的电动势越大,表明电池反应的: A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/ce41e17fb8c54c9193c299dd56dfde7c.png"/> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/a8285247ca794e3ea203d57be9faea13.png"/> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/ab56d1277c724bc1915184441beabfcb.png"/> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/e9f34744ef2945cebe45862d9267196f.png"/>
- 下列电极电势最小的是: A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/dad3349a56e84119aff354de027c99e1.png"/> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/980bfc83fd624e14ab4d98cc5b6f71dd.png"/> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/a54b31ea021644c788a5c687342ced4d.png"/> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/8851284b569348549a0a28ded6b2cff1.png"/>
- 下列化合物能发生碘仿反应的是:() A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/f120adb23e7c4851a4cbf8b7b92d35db.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/ec33b86129be4d7a92f0e11a27ee943a.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/e1620e0d1f5e4e1fb00ee7daff976354.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/f2d1dc15ec0148d9bc92fd337c4df168.png" />
- 已知主视图和俯视图,下面左视图画法正确的有( )<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/2bcab5bbb4024d99b27781c7c286d861.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/c740df10c8d64a5c9f269c0808cfba30.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/d19031d8c17543f699d8827fa6ac1249.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/1780a38439af44618170b420943a6b6d.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/8b29c3cc4c2e4f3e919c5f22d4ac96f1.png" />