１．做完既沈澱物係咩黎架？
２．點改良呢個實驗黎量度還原熔既濃度？
本立德測試（生物高手請入黎ｈｅｌｐｍｅ）
2009-10-13 5:44 am
回答 (3)
2009-10-14 5:22 am
✔ 最佳答案
1.Copper (I) oxide2.Set up a series of test tubes with different concentration of reducing sugar. Compare the tested sample with the serial to see which test tube is most similar to the sample. The concentration can be estimated.
2009-10-15 5:03 am
1.銅的離子
2.我們可以透過沈澱物的顏色來分辨濃度
netarive(無串錯的話) :blue
postive(+) : green
(++) : yellow
(+++) : brown
(++++) : brick-red
2.我們可以透過沈澱物的顏色來分辨濃度
netarive(無串錯的話) :blue
postive(+) : green
(++) : yellow
(+++) : brown
(++++) : brick-red
收錄日期: 2021-04-15 22:03:58
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20091012000051KK01543