作者NCUEKLKL (鸟实验室~硍)
看板Chemistry
标题请问 关於这一题
时间Wed Jan 25 09:42:33 2006
Rust is formed by the action of water and oxygen on iron
The formula for rust is
1 Feo
2 Fe2O3
3 Fe2O3-H2O
4 FeO2
请问这一题是什麽意思 不太懂
谢谢
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1F：推 zinga:我觉的2or3都对 01/25 09:49
2F：推 mobisrat:题目都那麽说了 那选3吧~ 01/26 00:48