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铝铜氢气与氧气反应的现象
更新时间: 2020-06-29 00:00:00  

1、铝与氧气的反应:铝在氧气中燃烧,产生耀眼的强光,并放出大量的热,生成灰色固体;

2、铜在加热的条件下先变红,氧化为黑色的氧化铜,铜丝表面黑色物质生成;

3、纯净的氢气在氧气中燃烧生成水,并释放出大量的热,火焰呈淡蓝色,将干净的烧杯置于火焰上方,内壁会出现水珠。

关键词: 氢气 氧气 反应 现象

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