Succsess

The differences in the characteristics of states of matter are given in the following table. S. No. | Solid state | Liquid state | Gaseous state | 1. | Definite shape and volume. | No definite shape. Liquids attain the shape of the vessel in which they are kept. | Gases have neither a definite shape nor a definite volume. | 2. | Incompressible | Compressible to a small extent. | Highly compressible | 3. | There is little space between the particles of a solid. | These particles have a greater space between them. | The space between gas particles is the greatest. | 4. | These particles attract each other very strongly. | The force of attraction between liquid particles is less than solid particles. | The force of attraction is least between gaseous particles. | 5. | Particles of solid cannot move freely. | These particles move freely. | Gaseous particles are in a continuous, random motion. |
(b) Rigidity can be expressed as the tendency of matter to resist a change in shape.
Compressibility is the ability to be reduced to a lower volume when force is applied.
Fluidity is the ability to flow.
By filling a gas container we mean the attainment of shape of the container by gas.
Shape defines a definite boundary.
Kinetic energy is the energy possessed by a particle due to its motion.
Density is mass per unit volume. 3 Give reasons:
(a) A gas fills completely the vessel in which it is kept.
(b) A gas exerts pressure on the walls of the container.
(c) A wooden table should be called a solid.
(d) We can easily move our hand in air, but to do the same through a solid block of wood, we need a karate expert. * -------------------------------------------------
Answer
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Discussion
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(a) There is little attraction between particles of gas. Thus, gas particles