The question asks for the chemical name of "laughing gas." Let's analyze the given options and identify the correct answer:
Based on the above analysis, the correct option is:
Nitrous oxide
Conclusion: Nitrous oxide, also known as laughing gas, is used for its anesthetic properties, and it can create a feeling of euphoria or laughter when inhaled, hence its name. Thus, the correct answer is "Nitrous oxide."
| List I | List II |
|---|---|
| (A) P.V. Sindhu | (i) Shooting |
| (B) Lovlina Borgohain | (ii) Wrestler |
| (C) Ravi Kumar Dahiya | (iii) Badminton |
| (D) Gagan Narang | (iv) Boxing |
