A.三种分散系中分散质粒子的直径:Fe(OH)3悬浊液>Fe(OH)3胶体>FeCl3溶液 |
B.可通过过滤的方式从Fe(OH)3浊液中分离Fe(OH)3 |
C.Fe(OH)3胶体区别于其他分散系的本质特征是丁达尔效应 |
D.Fe(OH)3 胶体电泳实验,阴极附近颜色加深,阳极附近颜色变浅 |
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