How to test the presence of hydrogen by using a burnibg splint?
只要簡單的英文解釋,中文我明...但唔識用英文答
因此答案唔需要太複雜,而且我只是一個中二生。
點試hydrogen?
2007-05-01 11:55 pm
回答 (2)
2007-05-02 12:02 am
✔ 最佳答案
put a burning splint near to the mouth of the test tube. If there have hydrogen, it will burns with a 'pop' sound
2007-05-02 9:11 am
It burns with a 'pop' sound.
收錄日期: 2021-04-30 22:22:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070501000051KK02929