王貽興說聖痕可由化學品硫氰酸鉀和氯化亞鐵混合形成!佢仲即場做一次!
但我認為佢講錯,從CHEM解
硫氰酸能和三價鐵化合,變化 IS 深紅色,
但硫氰酸能和二價鐵化合,變化is NOT 深紅色!!!
氯化亞鐵is FeCI2 !!!!!!!!!
係佢講錯OR我錯?
我的資料來源
http://hk.knowledge.yahoo.com/question/?qid=7007030601446
「謎」聖痕之謎的一集,好似有野錯
2007-05-25 4:45 am
回答 (7)
2007-06-03 4:59 pm
✔ 最佳答案
冇錯，Fe3+同NCS-會出blood red既solution…2007-06-03 09:00:10 補充：
佢係中文勁，chem就真係唔知啦…
2007-05-25 5:27 am
我都覺
硫氰酸係檢驗三價鐡離子架ma
2007-05-24 21:28:49 補充：
個個人仲話係才子tim.=.="
硫氰酸係檢驗三價鐡離子架ma
2007-05-24 21:28:49 補充：
個個人仲話係才子tim.=.="
2007-05-25 5:16 am
講錯!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
2007-05-25 4:54 am
講錯~~~~
2007-05-25 4:48 am
講錯ａｒ！！””＠＠”
收錄日期: 2021-04-13 17:40:31
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070524000051KK04808