WHY ARE THE ELECTRIC BULBS FILLED WITH CHEMICALLY INCACTIVE NITROGEM AND ARGON ?
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Answer:
in order to preserve the oxdiasation of tungston filament used in bulb
Answer:
In an incandescent bulb, usually a tungsten filament is used which glows and produces light when it gets heated up due to the passage of electricity through it. ... So, chemically inactive gases such as nitrogen or argon are filled in the glass bulb, so the tungsten filament does not chemically react with its surroundings.