题型:未知-未知
难度:0.85
引用次数:315
题号:15821967
下列事实中一定能证明
是弱电解质的是
①用
溶液做导电实验,灯泡很暗
②
溶液的![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a9a8774f5ecedf131272e22f6b142e.png)
③等pH等体积的硫酸、
溶液和足量锌反应,
放出的氢气较多
④
醋酸溶液恰好与
NaOH溶液完全反应
⑤
的
溶液稀释至1000倍,pH<4
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964095a515ac0e4f92cda41f887cfc01.png)
①用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964095a515ac0e4f92cda41f887cfc01.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4989b02435a025b4ddac189199ffe213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a9a8774f5ecedf131272e22f6b142e.png)
③等pH等体积的硫酸、
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964095a515ac0e4f92cda41f887cfc01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964095a515ac0e4f92cda41f887cfc01.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876fd2d51dfc92fc801f9b8c69081327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876fd2d51dfc92fc801f9b8c69081327.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cad963b632adde16f260e5df760ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964095a515ac0e4f92cda41f887cfc01.png)
A.①②④⑤ | B.②③⑤ | C.②③④⑤ | D.①②⑤ |
更新时间:2022-05-07 18:41:15
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