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用火柴点燃糖,在糖上撒些烟灰,会有什么现象?
用火柴点燃糖,在糖上撒些烟灰,会有什么现象?
为什么会出现这种现象?
2025-04-05 13:31:20
推荐回答(2个)
回答1:
初中的化学资料上说会点燃,其中烟灰起催化剂作用,这是我看到的。但我自己做实验时…却从来没点着过。手机打字很辛苦,请加分谢谢!!!
回答2:
你怎么不自己试试
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