Question : Which of the following is used as an anaesthetic?
Option 1: NH3
Option 2: NO
Option 3: NO2
Option 4: N2O
Correct Answer: N 2 O
Solution : The correct option is N 2 O.
Nitrous oxide (N 2 O) is used as an anaesthetic. It has analgesic (pain-relieving), and anaesthetic properties and has been used in medical, and dental procedures for many years. It is often used in combination with other anaesthetic agents to induce and maintain anaesthesia during surgeries, or other medical interventions.
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