| Facts On Gasses | Name of the Gas |
| Percentage of oxygen in earth’s atmosphere | 21% (appx) |
| Most abundant gas in earth’s atmosphere | Nitrogen (78%) |
| Used in gas welding and also artificial ripening of fruits | Acetylene |
| Tear Gas | Ammonia (NH3) |
| Gas used in electric bulbs | Argon |
| Gas used in LPG | Butane, Propane and Ethane |
| A major air pollutant, the percentage presence of which is checked in vehicle pollution test | Carbon monoxide |
| Gases responsible for depletion of ozone layer | Chloroflouro carbons |
| Chemical name of FERON | Diflouro Dichloro Methane |
| Strong smelling substance added to LPG | Ethyl Mercaptan or Ethanethiol |
| Gas used in refrigerators | Freon |
| Gas used in nebulizers | Oxygen and aerosols |
| Gas with foul smell | Hydrogen Sulphide (H2S) |
| Natural gas | Methane with small quantities of alkanes, CO2, Nitrogen and Sulphur Dioxide |
| Gas used in fluorescent lamps | Mercury vapor |
| Gas known as “marsh gas” | Methane |
| Gobar gas is a mixture of | Methane, CO2 and hydrogen |
| Brown air in traffic congested cities | Nitrogen oxide |
| Laughing gas | Nitrous Oxide (N2O) |
| Gas responsible for acid rain | Sulphur dioxide |
| Major gaseous pollutant of areas located near thermal power station | Suphur dioxide |
| Nerve Gas | Sarin, VX , Tabun |
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