Question

2. (a) Tabulate the differences in
the characterisites of states
of matter
(b) Comment upon the following:
rigidity, compressibility,
fluidity, filling a gas
container, shape, kinetic
energy and density.
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.
4. Liquids generally have lower
density as compared to solids.
But you must have observed that
ice floats on water. Find out why.​

Answer 1

Answer:

Rigidity: It is the property of matter to resist the change of its shape.

Compressibility: It is the property of matter in which its volume is decreased by applying force.

Fluidity: Matter can flow.

Filled a gas container: On filling, a gas takes the shape of the container.

Shape: Having definite boundaries.

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