Subject :NSO Class : Class 9
The given apparatus can be used to show the diffusion of gases. Which pair of gases X and Y would cause no movement of the water?
| X | Y | |
| A | C2H4 | C2H6 |
| B | C2H4 | N2 |
| C | CO2 | C2H6 |
| D | CO | NO2 |
pl explain