67th BPSC (Pre) 2022
Which gas is responsible for the foul smell of rotten eggs?
aCarbon dioxide
bSulphur dioxide
cHydrogen sulphide✓ Correct
dAmmonia
Explanation
Hydrogen sulphide (H₂S) is responsible for the foul smell of rotten eggs.
gassmell
Hydrogen sulphide (H₂S) is responsible for the foul smell of rotten eggs.