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Facts to remember----Name of the Gas

Facts to remember----Name of the Gas

1. Gas used in LPG--Butane, Propane and Ethane
2. Tear Gas---Ammonia (NH3)
3. Gas with foul smell---Hydrogen Sulphide (H2S)
4. Laughing gas---Nitrous Oxide (N2O)
5. Gas used in refrigeration---Freon
6. Freon, the gas used in refrigeration is chemically known as---Diflouro Dichloro Methane
7. Gobar gas is a mixture of---Methane, CO2 and hydrogen
8. Gas mixed with oxygen and given to patients with restricted breathing--- Helium
9. A major air pollutant, the percentage presence of which is checked in vehicle pollution test---Carbon monoxide
10. The gas which is responsible for the formation of brown air in traffic congested cities--- Nitrogen oxide
11. Major gaseous pollutant of areas located near thermal power station----Suphur dioxide
12. Natural gas---Mainly methane with small quantities of ethane and propane
13. Strong smelling substance added to LPG---Ethyl Mercaptan or Ethanethiol
14. Gases responsible for depletion of ozone layer---Chloroflouro carbons
15. Gas used in gas welding and also artificial ripening of fruits---Acetylene
16. Gas used in electric bulbs---Argon
17. Gas used in flourescent lamps---Mercury vapour
18. Gas known as marsh gas---Methane
19. Gas responsible for acid rain---Sulphur dioxide
20. Gas most abundant in earth's atmosphere----Nitrogen (78%)
21. Percentage of oxygen in earth's atmosphere---21% (appx)