Question
Download Solution PDFWhich among the following gases is used as an anaesthetic in dental surgery?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Nitrous Oxide.
Key Points
- Nitrous oxide, known as laughing gas, is used as an anesthetic by dentists.
- The chemical formula is N ₂O.
- It is a colorless non-flammable gas, with a slight metallic scent and taste at room temperature,
- Nitrous oxide can be used to treat pain. It also functions as a mild sedative.
- Nitrogen is represented by the "N" symbol, which is present in abundant quantities (78%) in the environment.
Additional Information Argon
- Argon is used as a shielding gas in argon arc welding processes.
- At high temperatures, the metals being welded become highly reactive to the elements in the atmosphere and get oxidized.
Helium
- Helium is the 2nd most abundant element available in the universe.
- Helium symbol (He) is considered a noble gas having Atomic Number 2.
- It is colorless, odorless, tasteless and non-toxic.
- Helium gas is used to inflate party balloons, scientific balloons and blimps etc.
Last updated on Jul 14, 2025
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