Question

Four identical balloons are filled with different gases all at the same temperature and pressure.
P: Ammonia Q: Carbon dioxide R: ethene S: nitrogen
The gases gradually diffuses out of the balloons. Which pair of balloons will deflate at the same rate?
Choose A to D
A: P & Q B: Q & R C:R & S D: S & P

Answer 1

Answer:

We know that equal volume of different gas contain equal no. of molecules of same temperature & pressure, So (b) will be the answer.