chem!

2007-03-25 3:40 am
邊幾個tube 沒有rusting出現?
tube1:iron nail suspending in sodium chloride solution..
tube2:iron nail suspending above the solid calcium carbonate..
tube3:iron nail suspending in boiled distilled water and have oil layer on the water..
tube4:iron nail suspending above anhydrous calcium chloride..
tube5:iron nail suspending in the tap water..
tube6:iron nail suspending in air..

邊幾個tube 沒有rusting出現?請用eng 解釋!

回答 (1)

2007-03-25 4:14 am
✔ 最佳答案
1: 有, beause sodium chloride ....
2: 沒有 no water and O2
3: 沒有 No O2
4: 沒有 No water and O2
5: 有 , WATER and O2 present
6: 有 , air have water and O2
參考: book


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