The chemical name of Laughing gas is___________?
Correct answer: D. Nitrous oxide Physics
- A. Nitric oxide
- B. Nitrogen dioxide
- C. Nitrogen pentoxide
- D. Nitrous oxide Physics
Explanation
Laughing gas is nitrous oxide, with the formula N₂O. Nitrogen dioxide is a toxic brown gas, so it is not the gas used as an anaesthetic or propellant.
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