how to test the presence of carbon dioxide?
回答 (4)
2007-09-16 5:08 am
✔ 最佳答案
Add lime water into the test tube containing the gas. If lime water turns milky from colourless, the gas is carbon dioxide 
2007-09-16 5:52 pm
1.lime water test ( result milky ppt)
2.flame test ( result flame is pull off coz the co2)
2.flame test ( result flame is pull off coz the co2)
2007-09-16 3:38 pm
Add lime water (calcium hydroxide solution) to the CO2 and if the lime water turns milky, then CO2 is present.
2007-09-16 5:09 am
USE LIME WATER TO TEST WITH IT.
THE POSITIVE RESULT IS THAT THE LIME WATER TURNS MILKY.
THE POSITIVE RESULT IS THAT THE LIME WATER TURNS MILKY.
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