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標題:
一條簡單化學問題！
發問:
「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?
最佳解答:
The chemical name of rust is hydrated iron(III) oxide, with formula Fe2O3?xH2O. =
一條簡單化學問題！
發問:
「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?
最佳解答:
The chemical name of rust is hydrated iron(III) oxide, with formula Fe2O3?xH2O. =
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