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
Correct Answer: B. prevent oxidation of the lamp fillaments
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