因为发生水解,所以水溶液显碱性。;? 正确|错误
举一反三
- <img src="http://img2.ph.126.net/qowvyGJmU71A6UIpMtWkYw==/6619531689700953755.jpg" />? <img src="http://img2.ph.126.net/un3GDHXLxtcRiMEcP1z7yg==/6619072093840546265.jpg" />|<img src="http://img2.ph.126.net/IZ9fF3KQHcgJNZoygylhHQ==/6630845664350440712.jpg" />|<img src="http://img2.ph.126.net/_iw_TRTbgBcFfQ9EIzN3YA==/6619139164049839979.jpg" />|<img src="http://img2.ph.126.net/Tehi0XAX-FVa8la7PAFlnw==/2435602973495420798.jpg" />
- 下列水溶液显碱性的是( )。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/17cc1c31571049ab8a4623f1ee124271.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/f286e5e8130649b08b2eb390f1495a5c.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/69c9915280cf41b4a508a30df342f51b.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/dab922dd869c4dfc9eb6234e2e8d7588.png" />
- 草酸钙在pH=2的溶液中的溶解度()。 A: 小于<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202004/f28fa10ebbe34a8389bda833d25ce26b.png"> B: 等于<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202004/6ffdcbe87c164ebbaa755a4fc6d40067.png"> C: 不确定 D: 大于<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202004/6ffdcbe87c164ebbaa755a4fc6d40067.png">
- 浓度相同的下列物质水溶液pH最高的是( )。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18eb42f9d6464e2b9f382e6aedb4abf3.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/2940771d91934e2080fd17bfae7e344d.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/004d59d1e1b449198b2bf2539ec03692.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/ab746a42fcea4f3080e10a09ee28ea0e.png" />
- <img src="http://img1.ph.126.net/xRWXQUfZJwmSXkQiZ0l2HQ==/3826089358528721080.jpg" />? <img src="http://img2.ph.126.net/QX-jBzzFTrwpTjQkcBtfcg==/2449958197307439176.jpg" />|<img src="http://img0.ph.126.net/3XApesgU0Iga8L5Tkm0YXg==/6630324495838409649.jpg" />|<img src="http://img2.ph.126.net/sPsiWYSStdIbrCUcsMBK9A==/3114802092298176869.jpg" />|<img src="http://img1.ph.126.net/y-FdOVmaocQvOIOXtXTxEw==/662592095194801258.jpg" />