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氯及其化合物

> 取三张蓝色石蕊试纸放在表面皿上，然后按顺序分别滴加65%的浓硝酸、98%的浓硫酸和新制的氯水，三张试纸最后呈现的颜色是( ) A．白、红、白 B．白、黑、白　　 C．红、红、红　　　 D．红、黑、红

问题：

发布时间：2024-09-10

取三张蓝色石蕊试纸放在表面皿上，然后按顺序分别滴加65%的浓硝酸、98%的浓硫酸和新制的氯水，三张试纸最后呈现的颜色是( )

A．白、红、白 B．白、黑、白　　 C．红、红、红　　　 D．红、黑、红

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取三张蓝色石蕊试纸放在表面皿上，然后按顺序分别滴加65%的浓硝酸、98%的浓硫酸和新制的氯水，三张试纸最后呈现的颜色是( ) A．白、红、白 B．白、黑、白 C．红、红、红 D．红、黑、红

可能感兴趣的题目：

取三张蓝色石蕊试纸放在表面皿上，然后按顺序分别滴加65%的浓硝酸、98%的浓硫酸和新制的氯水，三张试纸最后呈现的颜色是( )

A．白、红、白 B．白、黑、白　　 C．红、红、红　　　 D．红、黑、红