根据句意填入所缺单词。

1. There is an old _____ over the river. Every day many people go across it.

2. You need to _____ from the No. 1 bus to the No. 2 bus.

3. If you drive too fast, you may have an _____.

4. My parents live in Shanghai while I am in Beijing. I often _____ them very much.

5. Be _____. Don't drive too fast. It's dangerous.

如图为实验室制取纯净、干燥的Cl₂，并进行检验Cl₂性质实验的装置．其中D瓶中放有干燥红色布条；E中为铜网，E右端出气管口附近为石棉球．

试回答：

（1）A中发生反应的方程式为______；

（2）为得到干燥纯净的氯气，一般在B瓶中加入饱和食盐水，其作用是______；

（3）C中盛放的试剂为______；D处看到的现象是______；

（4）E中所发生反应的方程式为______．

（5）F中应加入的试剂为______，其作用是______．

（6）若A中有14.6gHCl被氧化，将产生的氯气通入足量的KI溶液中能产生单质碘的质量为______g．