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Argon is used in gas-filled electric lamp because it helps to?

Chemistry
JAMB 1993

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
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Correct Answer: Option B
Explanation

Argon is used to fill incandescent and fluorescent light bulbs to prevent oxygen from corroding the hot filament.

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