CH-1564
Noble gases
Chemistry · Secondary 4 · Medium · Noble gases
Modern filament lamps are filled with argon instead of air. What is the main reason for using argon, a Group 18 noble gas, in these lamps?
- Argon reacts with the filament to make it glow brighter.
- Argon provides oxygen so the filament can burn steadily.
- Argon is unreactive and prevents the filament from burning.
- Argon is very reactive and removes heat from the filament.
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