http://img168.imageshack.us/img168/1627/img0707sk2.jpg
4. and 6.
4. copper (II)ion and iodide have reaction?
Doesn't brass contain zinc ?
收錄日期: 2021-04-13 13:24:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070909000051KK03039