A.将含1mol FeCl3溶液制成胶体,该胶体中含有的胶粒数小于NA |
B.向饱和 FeCl3 溶液中滴加过量的 NaOH 溶液可以制备 Fe(OH)3 胶体 |
C.光线透过胶体会产生丁达尔效应,这是胶体与浊液的本质区别 |
D.因为胶粒比溶液中溶质粒子大,所以可以用过滤的方法把胶体和溶液分开 |
同类型试题
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
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