Chemistry in daily life # 21

Chemistry Level 1

Which of the following gases is filled predominately in light bulbs?

Oxygen Carbon dioxide Atmospheric Air Neon

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Mayank Holmes by Mayank Holmes , 25, India

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5 solutions

N e \boxed{Ne} is the only noble gas on that list; lightbulbs must be filled with noble gases so that the gas does not react with the filament or anything else.

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Mayank Holmes
May 25, 2014

oxygen may cause combustion........... so air and oxygen can never be! ........ Carbon Dioxide has no use in this matter ! Neon provides an inert atmosphere so it is indispensable in the manufacture of bulbs!

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Doesn't it matter on whether the lightbulb is incandescent or fluorescent?

Asher Joy - 7 years ago

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no.......... it's not that man! Any sort of bulb may use neon........

Mayank Holmes - 7 years ago
Noel Lo
Jun 2, 2015

Neon is the only inert gas.

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Kenny Lau
Jul 9, 2014

I thought it's argon? That's what the book taught me...

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Dang Anh Tu
Jun 3, 2014

Yes, another inert gases which can be use in the manufacture of bulbs are krypton, xenon, ... Neon is a type of inert gas. And as you can see in the periodic table of chemical elements, inert gases are in the 18th column, group VIIIA with Helium, Neon, Argon, Krypton, Xenon, Radon.

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