论文部分内容阅读
义务教育课程标准实验教科书《化学》九年级上册第124页[实验7-1]的实验装置如图1所示。教科书设计了4个问题供学生讨论:1.根据上述实验中薄铜片上的白磷燃烧而红磷不燃
The experimental apparatus of the compulsory education curriculum standard experiment textbook “Chemistry” of the ninth grade booklet page 124 [experiment 7-1] is shown in FIG. 1 . Textbooks designed four questions for students to discuss: 1. According to the white phosphorus burning on the copper sheet in the above experiment, the red phosphorus is incombustible