🎴 Flashcard Mode
General Science Trivia Quiz
Card1 / 20
Mastered0
Review0
QuestionClick to flip
Formula of "laughing gas" ?
AnswerClick to flip back
A
N2O
💡 Explanation:
Nitrous oxide (N2O) is commonly known as "laughing gas" because it causes euphoria and laughter when inhaled, and has been used as an anesthetic since the 18th century. NO2 is nitrogen dioxide (a toxic gas), NO is nitric oxide, and HN2O is not a valid chemical formula.