{急} 我想問; 點解氫氣仲輕過氦氣都吾用氫氣黎整氣球?

2007-06-23 7:08 am
Hydogen is even lighter than helium.
Why is hydongen not used to fill airships or party ballons?

PLZ EXPLAIN IT TO ME, THZ:]

回答 (2)

2007-06-24 12:20 am
✔ 最佳答案
因為氫氣係一種易燃既氣體,
而且氫氣都好貴下,
所以依家d人會選擇用helium.
參考: my knowledge.
2007-06-23 7:14 am
因為氫氣如果遇到火就會發生爆炸。

Hydrogen burns in air with a "pop" sound.


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