天气预报 > 其他 > 钠与氧气反应会有什么现象
钠与氧气反应会有什么现象
更新时间: 2020-09-24 00:00:00  

如果反应在常温下进行,现象:钠表面失去金属光泽,切面呈现银灰色。原因:钠和氧气反应生成白色的氧化钠。

如果发应在加热条件下进行,现象:钠剧烈燃烧,发出黄色火焰,生成淡黄色固体。原因:钠和氧气反应生成淡黄色的过氧化钠。

关键词: 氧气 反应 什么 现象

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