關於F.1chem 的問題.....

2008-03-10 4:42 am
Put a piece of wood horizontally in the Bunsen flame, the middle of the wood is now burnt



Which of the following statement about the above experiment is reasonable?

A. Striking back occurs.
B The temperature of the Bunsen flame is not very high.
C. The inner cone of the Bunsen flame is not very hot
D. The inner cone of the Bunsen flame contains unburnt town gas.

回答 (2)

2008-03-11 12:31 am
✔ 最佳答案
definitely not A and B. C and D are both true. Becasuse the inner cone of the Bunsen flame contains unburnt gas, therefore, it won't be as hot as the other part of the Bunsen flame. I will choose D if I have to choose one.
參考: myself
2008-03-10 6:33 am
D. the inner cone of bunsen flame contains unburnt town gas.


收錄日期: 2021-04-29 20:23:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080309000051KK03248

檢視 Wayback Machine 備份