JAMB Chemistry 2025 Objective — Question 20

Question 20 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2025 Objective paper, with the correct answer and a full explanation.

The rare gas which fills electric light bulbs to prevent the tungsten filament from oxidising is

A. He
B. Ne
C. ArCorrect
D. Kr

Explanation

Argon is used in incandescent bulbs because it is inert and readily available, preventing oxidation of the tungsten filament.

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