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2018年中考化学真题分类汇编4化学与社会发展考点20燃烧与燃料1燃烧与灭火2燃烧的条件充分燃烧的条件（无答案）.doc

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2018年中考化学真题分类汇编4化学与社会发展考点20燃烧与燃料1燃烧与灭火2燃烧的条件充分燃烧的条件（无答案）.doc_第1页
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1考点 20 燃烧与燃料（18 南宁）13在露营篝火晚会上，小东发现篝火的木柴堆积密集，火焰很小，于是将木柴架空，主要目的是（ ）A方便添加木柴 B升高木柴的着火点C增大氧气的浓度 D增大木柴与空气的接触面积

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