Question :
Which is known as laughing gas ?
Options :
- SO₂
- N₂O
- CO
- CH4
correct answer : b)
The gas known as laughing gas is nitrous oxide (N₂O).
✅ Correct answer: (b) N₂O
Question :
Which is known as laughing gas ?
Options :
correct answer : b)
The gas known as laughing gas is nitrous oxide (N₂O).
✅ Correct answer: (b) N₂O