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混有空气或氧气的氢气遇到明火时可能会发生爆炸.使用氢气时,要注意安全,点燃前一定要 ______
混有空气或氧气的氢气遇到明火时可能会发生爆炸.使用氢气时,要注意安全,点燃前一定要 ______
2025-03-16 00:34:34
推荐回答(1个)
回答1:
凡是可燃性气体混有空气或氧气遇到明火时可能会发生爆炸.所以使用氢气时,也要注意安全,点燃前一定要验纯.
故答案为:验纯
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