「Evaporation of alcohol」is a chemcial change.
其中，有人說：
回答者(1)：
rusting of iron is chemical change because hydrated iron (III) oxide is formed.
回答者(2)：
Chemical change: The new substance formed is rust.
那麼，生成hydrated iron (III) oxide或是rust的新物質？還是hydrated iron (III) oxide是等於rust?
一條簡單化學問題！
2008-08-25 10:49 pm
回答 (1)
2008-08-26 12:03 am
✔ 最佳答案
The chemical name of rust is hydrated iron(III) oxide, with formula Fe2O3xH2O.
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收錄日期: 2021-04-23 23:06:11
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080825000051KK01568