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化学电源在日常生活和高科技领域中都有广泛应用。下列说法不正确的是
![](https://img.xkw.com/dksih/QBM/2023/5/6/3231634443993088/3231892780654592/STEM/e43b50bdf910440cad87698d66d902be.png?resizew=81)
![](https://img.xkw.com/dksih/QBM/2023/5/6/3231634443993088/3231892780654592/STEM/d37b609abf2c4afeb1a739cb168a038a.png?resizew=144)
![](https://img.xkw.com/dksih/QBM/2023/5/6/3231634443993088/3231892780654592/STEM/3edbeaa1ea854a25895c557f92d5ed76.png?resizew=141)
![](https://img.xkw.com/dksih/QBM/2023/5/6/3231634443993088/3231892780654592/STEM/097a1d26a4a04df2b513463aff7abe3f.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2023/5/6/3231634443993088/3231892780654592/STEM/e43b50bdf910440cad87698d66d902be.png?resizew=81)
![](https://img.xkw.com/dksih/QBM/2023/5/6/3231634443993088/3231892780654592/STEM/d37b609abf2c4afeb1a739cb168a038a.png?resizew=144)
![](https://img.xkw.com/dksih/QBM/2023/5/6/3231634443993088/3231892780654592/STEM/3edbeaa1ea854a25895c557f92d5ed76.png?resizew=141)
![](https://img.xkw.com/dksih/QBM/2023/5/6/3231634443993088/3231892780654592/STEM/097a1d26a4a04df2b513463aff7abe3f.png?resizew=133)
A.甲:Zn2+向Cu电极方向移动,溶液中H+浓度减小 |
B.乙:正极的电极反应式为Zn-2e-+2OH-=Zn(OH)2 |
C.丙:锌筒作负极,发生氧化反应,锌筒会变薄 |
D.丁:放电一段时间后,电解质溶液的浓度减小,两极质量增加 |
20-21高一下·湖北恩施·阶段练习
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化学电源在日常生活和高科技领域中都有广泛应用。下列说法正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/7/b13a45d7-09e4-4c9c-b9fe-8b8f58884200.png?resizew=676)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/7/b13a45d7-09e4-4c9c-b9fe-8b8f58884200.png?resizew=676)
A.图甲:锂电池放电时,电解质溶液中Li+向锂电极迁移 |
B.图乙:负极的电极反应式为 |
C.图丙:锌筒作负极,发生氧化反应,锌筒会变薄 |
D.图丁:电池放电过程中,硫酸浓度不断减小 |
化学电源在日常生活和高科技领域中都有广泛应用,下列说法不正确的是
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647389427769344/2649402185662464/STEM/61bdf143659e4366b09f0fc8989ffa1a.png?resizew=149)
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647389427769344/2649402185662464/STEM/e079c0a1149d4bdd9cdf1103694b39c5.png?resizew=120)
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647389427769344/2649402185662464/STEM/216213f3498c408eb7f202bb0b937bf0.png?resizew=82)
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647389427769344/2649402185662464/STEM/86569df4ba1844c888170aa255f7645d.png?resizew=102)
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647389427769344/2649402185662464/STEM/61bdf143659e4366b09f0fc8989ffa1a.png?resizew=149)
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647389427769344/2649402185662464/STEM/e079c0a1149d4bdd9cdf1103694b39c5.png?resizew=120)
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647389427769344/2649402185662464/STEM/216213f3498c408eb7f202bb0b937bf0.png?resizew=82)
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647389427769344/2649402185662464/STEM/86569df4ba1844c888170aa255f7645d.png?resizew=102)
A.甲图中Zn为负极,Cu电极发生还原反应 |
B.乙图中正极的电极反应式为: |
C.丙图中锌筒作负极,发生氧化反应,锌筒会变薄 |
D.丁图中使用一段时间后,电解质溶液的酸性减弱,导电能力下降 |
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