What is temperature?
Important Questions on Matter in our Surroundings
Which of the following statements are true?
I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.
II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.
III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.
IV. The rate of evaporation is not affected by increasing the temperature.
Define the term: Intermolecular space.
Give two examples of diffusion.
Define intermolecular force.
Define intermolecular space.
In which form of matter is the force of attraction between the constituent particles:
A. maximum
B. minimum
Arrange solid, liquid and gas in the increasing order of intermolecular attractive forces.
