某化学小组同学利用以下三组装置探究燃烧条件.(1)如图1所示,能燃烧的物质是 认识反应规律,控制反应条件,让化学反应为人类服务.(1)化学...
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(1)可燃物燃烧的条件是达到着火点,并与氧气接触,图1中铜片上的红磷不能燃烧,是因为温度不能达到它的着火点(240℃);水中的白磷不能燃烧,是因为不能与氧气接触;只有铜片上的白磷能够燃烧,因为即到达了着火点(40℃),又与氧气接触.磷燃烧生成五氧化二磷.故答案为:B;4P+5O2
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