改化学式的错误请将相应序号填在题目的后面A不符合反应客观事实B缺少反应条件C不符合质量守恒定律D缺少或用错↑或↓符号①4fe+3o2==点燃2fe2o3()②c+o2==点燃co2↑()③h2+o2==点燃h2o()
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 06:41:17
![改化学式的错误请将相应序号填在题目的后面A不符合反应客观事实B缺少反应条件C不符合质量守恒定律D缺少或用错↑或↓符号①4fe+3o2==点燃2fe2o3()②c+o2==点燃co2↑()③h2+o2==点燃h2o()](/uploads/image/z/13911085-37-5.jpg?t=%E6%94%B9%E5%8C%96%E5%AD%A6%E5%BC%8F%E7%9A%84%E9%94%99%E8%AF%AF%E8%AF%B7%E5%B0%86%E7%9B%B8%E5%BA%94%E5%BA%8F%E5%8F%B7%E5%A1%AB%E5%9C%A8%E9%A2%98%E7%9B%AE%E7%9A%84%E5%90%8E%E9%9D%A2A%E4%B8%8D%E7%AC%A6%E5%90%88%E5%8F%8D%E5%BA%94%E5%AE%A2%E8%A7%82%E4%BA%8B%E5%AE%9EB%E7%BC%BA%E5%B0%91%E5%8F%8D%E5%BA%94%E6%9D%A1%E4%BB%B6C%E4%B8%8D%E7%AC%A6%E5%90%88%E8%B4%A8%E9%87%8F%E5%AE%88%E6%81%92%E5%AE%9A%E5%BE%8BD%E7%BC%BA%E5%B0%91%E6%88%96%E7%94%A8%E9%94%99%E2%86%91%E6%88%96%E2%86%93%E7%AC%A6%E5%8F%B7%E2%91%A04fe%2B3o2%3D%3D%E7%82%B9%E7%87%832fe2o3%EF%BC%88%EF%BC%89%E2%91%A1c%2Bo2%3D%3D%E7%82%B9%E7%87%83co2%E2%86%91%EF%BC%88%EF%BC%89%E2%91%A2h2%2Bo2%3D%3D%E7%82%B9%E7%87%83h2o%EF%BC%88%EF%BC%89)
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