请回答下列问题:
(1)物质C和E的名称分别为________________、__________________;
(2)可选用不同的A进行反应①,若能在常温下进行,其化学方程式为_____________;
若只能在加热情况下进行,则反应物A应为_____________;
(3)反应②的化学方程式为_______________________________________;
(4)新配制的F溶液应加入_____________以防止其转化为G。检验G溶液中阳离子的常用试剂是_____________,实验现象为______________________________________。
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