Which of the following can be used as anaesthetic?
A
N2O
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B
NO
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C
NCl3
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D
NO2
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Solution
The correct option is AN2O Nitrous oxide (N2O) is a weak general anesthetic and is generally not used alone. It may be used in general anesthesia in a 70% concentration (in combination with 30% oxygen) or as a carrier gas with more potent general anesthetic agents.