Which of the following is not correct about postulates of the kinetic molecular theory of gases?
1 . | Pressure of the gas is due to the collision of molecules against the walls of the container. |
2. | Volume of the gas is due to the large number of molecules of the gas. |
3. | Average kinetic energy of molecules is directly proportional to the absolute temperature of the gas. |
4. | The molecules move randomly with different speeds in different directions. |
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