A.室温下,pH=1的溶液中:Na+、Fe3+、NO、SO |
B.含有0.1mol•L-1FeCl3的溶液中:K+、Mg2+、I-、NO |
C.加入铝粉有气泡产生的溶液中:Na+、NH、Fe2+、NO |
D.室温下,水电离出的c(H+)=1×10-10mol•L-1的溶液中:K+、Na+、[Al(OH)4]-、SO |
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