Physics
The diagram below shows the arrangement of molecules in three states of matter.
The arrangement of molecules in drinking water would look like.
- I
- II
- III
- all of these
Matter
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Answer
II
Reason — As drinking water belongs to liquid state which is less closely packed than solid and more packed than gas.
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Related Questions
Solids are :
- more dense
- less dense
- least dense
- highly compressible
The inter-molecular forces in liquids are :
- as strong as in solids
- stronger than in solids
- weaker than in solids
- weaker than in gases
Fill in the blanks :
(a) All the molecules of a substance are …………… .
(b) The inter-molecular spacing is …………… in solids …………… in liquids and …………… in gases.
(c) The molecular motion in liquid and gas is in …………… path.
(d) In a solid, the molecules …………… but they remain at their fixed positions.
(e) The inter-molecular forces are the weakest in …………… .
(f) A solid exerts pressure …………… .
(g) Gases are …………… dense.
(h) Solids are …………… rigid.
Write true or false for each statement :
(a) The molecules of each substance are identical.
(b) The inter-molecular forces are effective at all distances between the two molecules.
(c) The molecules in a substance are in random motion.
(d) In a gas, the molecules can move anywhere in space.
(e) Liquids are less viscous than gases.