必须重视化学实验中尾气的处理山东省日照一中娄善平汪玉华孙开芳１９９６年普通高等学校招生全国统一考试化学第２８题是一道实验填空题，其中最后一个空格是“……Ｅ管中的反应开始后，在Ｆ出口处应。”此横线上应填“点燃氢气”，因为原题叙述了Ｅ管是作为氢气还原氧化... Attention must be paid to the treatment of tail gas in chemical experiments. Shandong Rizhao No. 1 Zhong Shan Shan Yuhua Wang Sunhuan 1996 General Higher Education Enrollment National Unified Examination Chemistry 28 is an experiment to fill in the blanks, and the last blank is “... reaction starts in E tube After the exit at the F should be. “This line should be filled with ”ignition of hydrogen", because the original title describes the E tube as hydrogen reduction oxidation ...