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Inert Gas and Their Uses

Which inert g...

Question

Which inert gas is used for filling electric bulbs so as to provide an inert atmosphere to the heating filament?

A

He

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B

Ar

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C

Ne

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D

Rn

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Solution

The correct option is B
Ar

Argon (Ar) is used for filling electric bulbs so as to provide an inert atmosphere to the heating filament. It improves the quality and life of the bulb.

Note: Commonly nitrogen is used because of its easy availability and lower cost.

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Inert Gas and Their Uses

Standard VII Chemistry

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