如果依家有5種液體，分別係
1 2M hydrochloric acid (HCl)
2 2M nitric acid
3 2M sodium chloride solution (NaCl)
4 2M sodium hydroxide solution (NaOH)
5 distillate water
我點樣只能夠用以下5種物品，去分辨以上的5種液體呢？
1 copper foil
2 solid copper(II) carbonate
3 2M copper(II) chloride solution
4 test tubes
5 bunsen burner
會考的化學問題 (有20分啊!不過有d難)
2007-12-30 2:05 am
回答 (1)
2007-12-30 2:40 am
✔ 最佳答案
As follows:圖片參考：http://i238.photobucket.com/albums/ff245/chocolate328154/Chem002.jpg?t=1198924818
參考: My Chem Knowledge
收錄日期: 2021-04-23 20:20:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071229000051KK03348