题目

氯气是一种重要的化工原料，在工农业生产、生活中有着重要的应用。某化学兴趣小组同学对氯气的性质进行如下探究： （1）兴趣小组同学按下图装置进行实验，探究Cl2的漂白性。 ①通入Cl2 后，观察到的现象是                      根据现象可得出的结论是                     。 ②集气瓶B发生反应的离子方程式是                    。 ③C装置的作用是                      ，若有2.24L(标准状况下)Cl2被NaO根据句子意思，从方框中选择恰当的词或短语填空。        faster, do a space walk, similar to, breathing heavily, familiar with, entering, any more, hobbies1. The sports star Liu Xiang may run even _______ after being operated on his foot in the USA.2. Zhai Zhigang became the first Chinese man to ________ on Saturday, September 27, 2008.3. The Chinese word "Shanzhai" is now used to describe products that have names ________ famous brands or people who imitate celebrities.4. A witness reported that he was ________ and had blood on his shirt. 5. She had put most of her effort into ballet training before ________ the film industry. 6. I’m afraid she doesn’t want to write to me ________.7. It’s important for us junior students to spent some time on our ________.