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which of the following nobel gases is us...

which of the following nobel gases is used in shop signs and street lamps?

A

`Xe`

B

`Kr`

C

`Ne`

D

`Ar`

Text Solution

Verified by Experts

The correct Answer is:
3
Because the characteristic red glow produced when an electrical discharge is passed through neon at low pressure is able to penetrate fog. It finds a use in devices for illuminating airfields.
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