能用H+ + OH— = H2O表示的是 (    ) A.NaOH溶液和CO2的反应   

 能用H+ + OH H2O表示的是   

ANaOH溶液和CO2的反应             BBa(OH)2溶液和稀H2SO4的反应

CNaOH溶液和盐酸反应              D氨水和稀H2SO4的反应

答案

C

相关题目

The snow made them _______ cold, so they decided to make a fire _______ warm.
The snow made them _______ cold, so they decided to make a fire _______ warm.        A. feel; to keep B. to feel; keep C. feel; keep  D. to feel; to keep
如图所示,曲线AB是带电粒子在电场中运动的径迹,不考虑重
如图所示,曲线AB是带电粒子在电场中运动的径迹,不考虑重力和空气阻力,粒子在由电场中的A点运动到B点的过程中,以下判断正确的是(  )A.粒子
某化学小组同学利用如图所示装置进行实验. (1)若装置Ⅰ
某化学小组同学利用如图所示装置进行实验. (1)若装置Ⅰ中加入石灰石和过量稀盐酸,装置Ⅱ中加入澄清石灰水.打开a,关闭b,装置Ⅰ中观察到的
在碱性溶液中能大量共存且溶液为无色透明的离子组是 A.K+
在碱性溶液中能大量共存且溶液为无色透明的离子组是 A.K+ 、MnO4-、Na+、Cl-                                         B.K+、Na+、
指出函数f(x)=的单调区间,并比较f(-π)与f(-)的大小.
指出函数f(x)=的单调区间,并比较f(-π)与f(-)的大小.
小船以一定的速率垂直河岸向对岸划去,当水流匀速时,它
小船以一定的速率垂直河岸向对岸划去,当水流匀速时,它渡河的时间、发生的位移与水速的关系是 ……(    )A.水速小时,位移小,时间亦短B.水
It’s the time of year when graduates are looking forward to putting constant
It’s the time of year when graduates are looking forward to putting constant exams behind and moving on to a more exciting stage of their lives. But in the digital age, not everything is so easily
The students were encouraged _______ English in class. A. speak        B.
The students were encouraged _______ English in class. A. speak        B. to speak           C. speaking        D. spoken

最新题目