1.

Comment upon the following: rigidity, compressibility, fluidity, filling as gas container, shape, kinetic energyand density.

Answer»

Solution :Rigidity: The tendency of matter to maintain its shape when subjected to outside force.
Compressibililty: The propeerty of matter by which the particles of matter can be brought nearer, THEREBY reducing the VOLUME, by an external force.
Gases are highly compressible.
Fluidity: The PROPERTY ofthe particles of matter to flow. Solides have no fluidity. Liquids flow from a higher level to a lower level. Gases flow in all directions.
Filling a gas CONTAINER: The particles of gas vibrate randomly in all directions. The intramolecular force in negligible. So the gas can be filled in a container.
Shape: Solids have definite shape. Liquids and gases have no shape. They take the shape fo the container.
Kinetic ENERGY: The energy possessed by the particles of matter due to theri motion iscalled the kinetic energy. The particles of gases have the highest kinetic energy.
Density : The mass per unit volume of a substance is called density. The density of solids is highest compared to that of liquids and gases.


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