中四化學問題 rusting

2011-01-28 5:54 am

圖片參考:http://imgcld.yimg.com/8/n/HA06962353/o/701101270114913873374730.jpg

請問會否有 rusting occur?

回答 (3)

2011-01-28 6:02 am
✔ 最佳答案
會..因為tap water本身有oxygen dissolve係入面..ie.同時有H2O同O2..
所以會有rusting..
如果係boiled water既話就唔會有喇:)
參考: 我本chem notes:p
2011-01-28 6:20 am
Rusting occurs after some period of time.
Some oxygen has been dissolved in the tap water before the coverage of the oil layer.
As there is presence of oxygen in addition of water, rusting occurs.
2011-01-28 6:05 am
會,因為tap water本身有oxygen dissolve係入面..ie.同時有H2O同O2..
所以有rusting..
如果係boiled water既話就唔會有:)


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