离子检验的常用方法有三种: 检验方法沉淀法显色法气体法 现象反

离子检验的常用方法有三种:

检验方法

沉淀法

显色法

气体法

现象

反应中有沉淀产生或溶解

反应中有颜色变化

反应中有气体产生

下列离子检验的方法不合理的是(   

ANH4+:气体法            BI-:沉淀法          CFe3+:显色法      DCa2+:气体法

答案

D

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