Argon is used in gas-filled electric lamp because it helps to?
-
A.
prevent the reduction of the lamp fillaments -
B.
prevent oxidation of the lamp fillaments -
C.
make the lamp fillament glow brightly -
D.
keep the atmosphere in the lamp inert
Correct Answer: Option B
Explanation
Argon is used to fill incandescent and fluorescent light bulbs to prevent oxygen from corroding the hot filament.