细铁丝在氧气中燃烧试验的注意事项(1)细铁丝盘成螺旋状的原因:(2)下端系根火柴的作用:(3)待火柴快要燃尽时,插入盛有氧气的集气瓶中,防止:(4)实验失败的原因:1—————
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 22:07:11
![细铁丝在氧气中燃烧试验的注意事项(1)细铁丝盘成螺旋状的原因:(2)下端系根火柴的作用:(3)待火柴快要燃尽时,插入盛有氧气的集气瓶中,防止:(4)实验失败的原因:1—————](/uploads/image/z/852059-11-9.jpg?t=%E7%BB%86%E9%93%81%E4%B8%9D%E5%9C%A8%E6%B0%A7%E6%B0%94%E4%B8%AD%E7%87%83%E7%83%A7%E8%AF%95%E9%AA%8C%E7%9A%84%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9%EF%BC%881%EF%BC%89%E7%BB%86%E9%93%81%E4%B8%9D%E7%9B%98%E6%88%90%E8%9E%BA%E6%97%8B%E7%8A%B6%E7%9A%84%E5%8E%9F%E5%9B%A0%EF%BC%9A%EF%BC%882%EF%BC%89%E4%B8%8B%E7%AB%AF%E7%B3%BB%E6%A0%B9%E7%81%AB%E6%9F%B4%E7%9A%84%E4%BD%9C%E7%94%A8%EF%BC%9A%EF%BC%883%EF%BC%89%E5%BE%85%E7%81%AB%E6%9F%B4%E5%BF%AB%E8%A6%81%E7%87%83%E5%B0%BD%E6%97%B6%2C%E6%8F%92%E5%85%A5%E7%9B%9B%E6%9C%89%E6%B0%A7%E6%B0%94%E7%9A%84%E9%9B%86%E6%B0%94%E7%93%B6%E4%B8%AD%2C%E9%98%B2%E6%AD%A2%EF%BC%9A%EF%BC%884%EF%BC%89%E5%AE%9E%E9%AA%8C%E5%A4%B1%E8%B4%A5%E7%9A%84%E5%8E%9F%E5%9B%A0%EF%BC%9A1%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94)
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