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Noble Gases

Which noble g...

Question

Which noble gas is used in airport runway lights?

A

Helium

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B

Neon

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C

Argon

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D

Krypton

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Solution

The correct option is D Krypton
Krypton gives an intense white light when an electric current is passed through it. Hence it is used in airport runways lights and in lighthouse lamps.

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