Discussion :: Chemistry
- The coloured discharge tubes for advertisement mainly contain
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Answer : Option D
Explanation :
Neon gives a distinct reddish-orange glow when used in either low-voltage neon glow lamps or in highvoltage discharge tubes or neon advertising signs. The red emission line from neon is also responsible for the well known red light of helium-neon lasers. Neon is used in a few plasma tube and refrigerant applications but has few other commercial uses.
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