Q. Which gas is known as "Laughing Gas"?
कौन सी गैस "हास्य गैस" के नाम से जानी जाती है?
Explanation
Nitrous Oxide (N2O) is commonly known as "Laughing Gas."
नाइट्रस ऑक्साइड (N2O) को सामान्यतः "हास्य गैस" के नाम से जाना जाता है।
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