Share this:




AIR COMBUSTION, RUSTING AND FIRE FIGHTING

AIR
This is a homogeneous colorless mixture of different gases in the atmosphere.

Composition of gases in air
The gases include: oxygen, nitrogen, carbon dioxide, and noble gas. Air contains water vapor and dust particles. However, they are not usually considered part of air.
The table below shows the percentage composition of gases.
Gas
% composition
Nitrogen
78%
Oxygen
21%
Noble gases
0.94%
Carbon dioxide
0.03%
Water vapor
0-4%
NB:The percentage composition of water vapor is generally caused by;
•Weather
•Geographical location
Test for gases in air.
-It is possible to test for the presence of some of the gases that are found in air.
Carbon dioxide test
-Lime water on the watch glass turns milky after a few days when left exposed. The conversion of the lime water from colourless to milky color indicates that there is carbondioxide present in the air.
Area
Application
Industries
  • In engines
  • In large boats
  • Incinerators for burning waste
Domestic
  • Cooking
  • Heating
  • Burning
Laboratory
  • Sterilization during experiment.


EcoleBooks | CHEMISTRY O LEVEL(FORM ONE) NOTES - AIR COMBUSTION, RUSTING AND FIRE FIGHTING

subscriber

3 Comments

  • EcoleBooks | CHEMISTRY O LEVEL(FORM ONE) NOTES - AIR COMBUSTION, RUSTING AND FIRE FIGHTING

    Tut Boutros Deng, March 18, 2024 @ 7:59 am Reply

    I like to join you

  • EcoleBooks | CHEMISTRY O LEVEL(FORM ONE) NOTES - AIR COMBUSTION, RUSTING AND FIRE FIGHTING

    Graca, January 5, 2024 @ 8:18 am Reply

    Good

    • EcoleBooks | CHEMISTRY O LEVEL(FORM ONE) NOTES - AIR COMBUSTION, RUSTING AND FIRE FIGHTING

      Bryton Kibada, February 3, 2024 @ 12:15 am Reply

      Perfect…

Leave a Reply

Your email address will not be published. Required fields are marked *

Accept Our Privacy Terms.*