Uses of neon :
– Neon is used in discharge tubes and fluorescent bulbs for advertisementdisplay purposes.
– Glow of different colours ‘neon signs’ can be produced by mixingneon with other gases.
– Neon bulbs and used in botanical gardens and in green houses.
Uses of argon :
– Argon is used mainly to provide an inert atmosphere in hightemperature metallurgical processes such as arc welding of metals andalloys. In the laboratory, it is used for handling substance which are airsensitive.
– It is used in filling incandescent and fluorescent lamps where itspresence retards the sublimation of the filament and thus increases thelife of the lamp.
– It is also used in “neon signs” for obtaining lights of differentcolours.