![](https://img./dksih/QBM/2022/1/4/2887040684359680/2887138522308608/STEM/7abc46ac96e646e3b0ac3601de1bd7f4.png?resizew=554)
![](https://img./dksih/QBM/2022/1/4/2887040684359680/2887138522308608/STEM/afe84a748b464ea18487c5a85389170c.png?resizew=330)
下列说法正确的是
A.NaOH溶液与I2反应的离子方程式:I2+2OH-=I-+IO![]() |
B.通过过滤可将水溶液与CCl4分离 |
C.向加酸后的上层清液中滴加AgNO3溶液生成AgI沉淀,1个AgI晶胞(如图)中含14个I- |
D.回收的粗碘可通过升华进行纯化 |
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)