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gogreen103
gogreen103 gogreen103
  • 25-01-2017
  • Chemistry
Answered

rank the 4 gases (air,exhaled air, gas produced from decomposition of H202, gas from decomposition of NaHCO3) in order of increasing concentration of oxygen

Verified Answer :

scme1702
scme1702 scme1702
  • 02-02-2017

Air has about 21% oxygen
Exhaled air has about 16% oxygen
The gas produced from decomposition of H₂O₂ is pure oxygen
The gas produced from decomposition of NaHCO₃ is pure carbon dioxide
Thus, the order is:
1) Gas produced from decomposition of H₂O₂
2) Air
3) Exhaled air
4) Gas produced from decomposition of NaHCO₃

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