General Knowledge - General Science - Discussion

Discussion Forum : General Science - Elements and Metals (Q.No. 7)
7.
The gas usually filled in the electric bulb is
nitrogen
hydrogen
carbon dioxide
oxygen
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
146 comments Page 13 of 15.

Gunish said:   8 years ago
Why helium gas is not used?

Sakshi gore said:   8 years ago
Mostly inert gases are used because they won't react with the material of the filament.

Shivam rajput said:   8 years ago
Nitrogen is the correct answer.

Archangel Micheal said:   8 years ago
Nitrogen because as to what I've learned nitrogen is the cause of lightning that makes mushrooms grow!

Yash said:   8 years ago
As nitrogen is almost non reactive.

Akash said:   7 years ago
Neon gas is used in bulb.

Bikash sai said:   7 years ago
Nitrogen and helium also used in electrical bulb.

Abic said:   7 years ago
No, it's argon and mercury vapour.

ADITYA KUMAR MAHTO said:   7 years ago
I think it's argon.

Landerio said:   7 years ago
I think it's argon and mercury.


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