1. Fill in the blanks :
a. All the molecules of a substance are ___________.
b. The molecular motion in liquid and gas is in ___________ path.
c. Solids are ___________ rigid.
d. The intermolecular spacing is ___________ in solids ___________ in liquids and __________
in gases.
e. A solid exerts pressure ___________.
f. Gases are ___________ dense.
g. The inter-molecular forces are weakest in ____________.
h. In a solid the molecules ___________ but they remain in their fixed positions.
Answers
Solution :
(a) All the molecules of a substance are identical
(b) The intermolecular spacing is least in the solids, more in liquids and still more in gases
(c) The molecular motion in liquid and gas is in zig zag path
(d) In a solid, the molecules vibrate to and fro but they remain at their fixed positions.
(e) The intermolecular forces are the weakest in gases.
(f) A solid exerts pressure downwards on its base.
(g) The gases are least dense.
(h) A solid is most rigid.
Explanation:
please mark as brainliest answer
Answer:
a. All the molecules of a substance are identical.
b. The molecular motion in liquid and gas is in zig-zag path.
c. Solids are highly rigid.
d. The intermolecular spacing is less in solids more in liquids and most in gases.
e. A solid exerts pressure downwards.
f. Gases are less dense.
g. The inter-molecular forces are weakest in gases.
h. In a solid the molecules vibrate but they remain in their fixed positions.