“The Knowledge Library”

Knowledge for All, without Barriers…

An Initiative by: Kausik Chakraborty.

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library

Facts: Gases

Fact to Remember Name of the Gas
Gas most abundant in earth’s atmosphere Nitrogen (78%)
Percentage of oxygen in earth’s atmosphere 21% (appx)
The lightest gas Hydrogen
The heaviest gas Radon
Tear Gas Ammonia (NH3)
Marsh gas Methane
Laughing gas Nitrous Oxide (N2O)
Natural gas Mainly methane with small quantities of ethane and propane
Gobar gas Methane, CO2 and hydrogen
Gas with foul smell Hydrogen Sulphide (H2S)
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 Dioxide
Major gaseous pollutant of areas located near thermal power station Suphur dioxide
Strong smelling substance added to LPG Ethyl Mercaptan or Ethanethiol
Gases responsible for depletion of ozone layer Chloroflouro carbons
Gas responsible for acid rain Sulphur dioxide
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 used in LPG Butane, Propane and Ethane
Gas used in refrigeration Freon (Diflouro Dichloro Methane)
Gas used as an anaesthetic in dental surgery Nitrous Oxide

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