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一、教材内容分析气体制取是初三学生应掌握的基本实验技能,也是化学中考重点考查的内容之一,在初中化学教学中占有非常重要的地位。这部分学习内容包括药品的选择、制取装置的确定、操作步骤的安排以及如何检验、验满等。通过学习,学生将在实验技能和综合分析、解决问题的能力等方面有所提高,并能解决生活中的实际问题,在熟悉的情景中感受化学的开放性
First, the textbook analysis Gas system is the first three students should master the basic experimental skills, but also one of the key aspects of the chemical examination exam, chemistry teaching in junior high occupies a very important position. This part of the study includes the selection of medicines, the determination of preparation equipment, the arrangement of operation steps and how to test, inspection and so on. Through the study, students will improve their experimental skills and comprehensive analysis and problem-solving skills, and will be able to solve practical problems in life and feel the openness of chemistry in familiar situations