Which of the following gases can be found in breathed air?
1.Noble gases
2.Carbon dioxide
3.Nitrogen
Help......F.2 Science
2009-06-18 12:56 am
回答 (4)
2009-06-19 12:19 am
✔ 最佳答案
以上所有嘅氣體都可以係空氣入邊搵到。1. Noble gases ( 貴氣體, e.g. Helium氦, Neon氖, Argon氬 ... )
2. Carbon dioxide ( 二氧化碳, CO2 )
3. Nitrogen ( 氮, N )
係空氣中所佔嘅成份 :
Noble Gas ( 貴氣體 ) 0.93%
Carbon dioxide ( 二氧化碳 ) 0.03%
Nitrogen ( 氮 ) ~70%
參考: I am Chem 之達人
2009-06-19 12:31 am
all of above gases ...
breathed air was as followed:
noble gases:0.9%
CO2:0.2-0.3%
nitrogen:76%
breathed air was as followed:
noble gases:0.9%
CO2:0.2-0.3%
nitrogen:76%
2009-06-18 2:59 am
全部都可以搵到架..
係空氣中，
noble gases含0.9%
carbon dioxide含0.03%
nitrogen就含78%
係空氣中，
noble gases含0.9%
carbon dioxide含0.03%
nitrogen就含78%
2009-06-18 1:06 am
All
Nitrogen about 70%
Carbon dioxide 0.03%
Noble Gas(Argon,Neon...) 0.09%
2009-06-18 13:40:33 補充：
noble gas 打錯,係0.93%
Nitrogen about 70%
Carbon dioxide 0.03%
Noble Gas(Argon,Neon...) 0.09%
2009-06-18 13:40:33 補充：
noble gas 打錯,係0.93%
收錄日期: 2021-04-13 16:40:55
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https://hk.answers.yahoo.com/question/index?qid=20090617000051KK01342