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["化学基础","1. 走进化学世界","性质与变化","3,68"]
[null,null,"入门实验","4,52,62"]
[null,"3. 物质构成的奥秘","分子、原子、离子","5,6,17,18,25,26,49,53,54,59,63,84"]
[null,null,"元素","7,21,57,60,74"]
[null,"5. 化学方程式","质量守恒定律",36]
[null,null,"化学方程式","30,69,71"]
[null,null,"化学方程式的计算","42,82"]
["化学与生活","2. 我们周围的空气","空气",51]
[null,null,"氧气的性质",58]
[null,null,"氧气的化学反应","15,16,23,50,76,83"]
[null,"4. 自然界的水","自然界的水","1,36,47,28,55,"]
[null,null,"电解水","14,27,70"]
[null,null,"物质分类","29,75"]
[null,null,"化学式及其的计算","2,19,28,64,77,85"]
[null,"7. 燃料及其应用","燃烧与爆炸","13,32,56,61"]
[null,null,"新能源","10,46,73"]
["无机物","6. 碳和碳的氧化物","碳和碳的氧化物的性质","11,12,20,39,65"]
[null,null,"碳和碳的氧化物的化学反应","31,37,72"]
[null,null,"氧化还原反应",79]
[null,"8. 金属和金属材料","金属和金属材料的性质","22,66,80"]
[null,null,"金属的化学反应","38,40"]
[null,null,"置换反应及其原则","24,78,86"]
[null,null,"矿物及其冶炼","33,41,87"]
[null,"9. 溶液","溶液的概念","8,9,67,81"]
[null,null,"溶解度","34,43,88"]
[null,null,"溶液的配制","44,45,89,90"]

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