GASES AND THEIR IMPORTANT FACTS
Gas used in LPG - Butane, Propane and Ethane
Tear Gas - Ammonia (NH3)
Gas with foul smell - Hydrogen Sulphide (H2S)
Laughing gas - Nitrous Oxide (N2O)
Gas used in refrigeration - Freon
(Freon, the gas used in refrigeration is chemically Diflouro Dichloro Methane)
Gobar gas is a mixture of - Methane, CO2 and hydrogen
Gas mixed with oxygen and given to patients with restricted breathing - Helium
A major air pollutant, the percentage presence of which is checked in vehicle pollution test - Carbon monoxide
The gas which is responsible for the formation of brown air in traffic congested cities - Nitrogen oxide
Major gaseous pollutant of areas located near thermal power station - Suphur dioxide
Natural gas - Mainly methane with small quantities of ethane and propane
Strong smelling substance added to LPG - Ethyl Mercaptan or Ethanethiol
Gases responsible for depletion of ozone layer - Chloroflouro carbons
Gas used in gas welding and also artificial ripening of fruits - Acetylene
Gas used in electric bulbs - Argon
Gas used in flourescent lamps - Mercury vapour
Gas known as marsh gas - Methane
Gas responsible for acid rain - Sulphur dioxide
Gas most abundant in earth's atmosphere - Nitrogen (78%)
Percentage of oxygen in earth's atmosphere21% (appx)
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