CuSO4 + KI + Na2S2O3
反應後生成ge白色物質係咩ar?
好想知ar,問同學同師兄師姐都話唔係甘識,但我真係好想知ar!!!
唔該你地識ge話話俾我知ar,唔該晒~
收錄日期: 2021-04-13 15:12:42
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061209000051KK04531