有冇人可以將 "simple experiment to determine the percentage of oxygen in air" 既實驗話我知個concept....我睇完本書都係唔明佢點樣去test
個experiment係用 copper + oxygen 變左 copper (II) oxide 既 equation去做..
希望有人答到我...我地學校冇教呢課
一萬個多謝to答到既人^o^
收錄日期: 2021-04-13 14:58:51
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080116000051KK04199