Uses of inert gases
Helium
Filling balloons and air ships
Attaining low temperatures
As inert atmosphere
In MRI to sustain powerful superconducting magnets for clinical diagnosis
Mixture of it with oxygen is used by deep sea divers
In gas cooled nuclear reactors
As cryogenic agent in lose temperature
experimental studies
Neon
For production of neon signs
For neon lights and bulbs
In warning signals, television sets, spark plugs
Voltage stabilizers
For filling sodium vapour lamps
Argon
To fill incandescent and fluorescent discharge lamps
To handle air sensitive substances
In gas chromatography
As inert atmosphere in welding and metallurgy
Used with neon signs for different colours
Krypton
Making krypton atomic lamp
High efficiency miners cap lamp
In signal lights on runways
Filling discharge tubes and electric bulbs
Kr85 used to measure thickness of thin
sheets of metal and plastics
Xenon
Mixture of Xe and Kr used in flash
bulbs used in high speed photography
Detection of mesons and gamma photos
Filling incandescent filaments of electric bulbs
Radon
Treatment of cancer
X Ray photography
Research in radio chemistry