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1郾《绪言摇空气氧》中考题的主要题型有单项选择题、简答题、实验题;其中简答题主要为空气成分的探究、灭火原理知识及氧化反应知识的运用,实验题主要集中在实验基础知识、氧气的性质及实验室制取郾2郾本部分内容常考查的知识点主要有:化学变化、物理变化、化学性质、物理性质
1 The main questions in the “Introduction to Air Oxygen” questions include single-choice questions, short answer questions, and experimental questions. Among them, the short answer questions are mainly the exploration of air components, knowledge of fire suppression principles, and the use of oxidation reaction knowledge. The experimental questions are mainly focused on The basic knowledge of experiments, the nature of oxygen, and the preparation of the laboratory 郾2 郾 The main points of examination in this section are: chemical changes, physical changes, chemical properties, and physical properties.