Three flasks of the same mass and volume contain hydrogen, oxygen and air. How, without carrying out chemical
| August 22, 2021 | education
Three flasks of the same mass and volume contain hydrogen, oxygen and air. How, without carrying out chemical reactions, can you find out which flask contains hydrogen?
To find out where the hydrogen is, you need to dip a burning match into each flask. Hydrogen tends to burn, therefore, when it comes into contact with a flame, a pop-explosion will be heard. If you put a burning match in a flask with air, nothing will happen, but if you put a burning match in a flask with oxygen, the flame will burn stronger.
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