Question

Choose the incorrect statement from the options given below.

• A. Argon is the most abundant noble gas in the earth’s atmosphere.
• B. Argon is used to create an inert atmosphere for welding.
• C. Argon is used in electric bulbs.
• D. Argon is used in the airport runway light.

Answer 1

The correct option is D Argon is used in the airport runway light.

• Argon is the most abundant noble gas in the earth’s atmosphere.
• It is used in electric bulbs to prevent the metallic filament burning away.
• As argon is non reactive it is used to create inert atmosphere for welding.
• Xenon and not argon is used in airport runway light as xenon gives intense white light when electric current passes through it.