(1)_________ Fe3O4+________H2 ---->__________Fe+__________H2O
(2) ________Al+_____O2---->________Al2O3
(3)_______Fe(OH)3--->_______Fe2O3+_______H2O
(4) ______KClO3---->_______KCl+____O2
收錄日期: 2021-04-12 22:55:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070120000051KK04984