Solid state question bank:- | Additional Study Material for Class 12 PDF Download

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FACT/DEFINITION TYPE QUESTIONS
1. Which of the following is not a characteristic property of
solids?
(a) Intermolecular distances are short.
(b) Intermolecular forces are weak.
(c) Constituent particles have fixed positions.
(d) Solids oscillate about their mean positions.
2. Most crystals show good cleavage because their atoms, ions
or molecules are
(a) weakly bonded together
(b) strongly bonded together
(c) spherically symmetrical
(d) arranged in planes
3. “Crystalline solids are anisotropic in nature. What is the
meaning of anisotropic in the given statement?
(a) A regular pattern of arrangement of particles which
repeats itself periodically over the entire crystal.
(b) Different values of some of physical properties are
shown when measured along different directions in
the same crystals.
(c) An irregular arrangement of particles over the entire
crystal.
(d) Same values of some of physical properties are shown
when measured along different directions in the same
crystals.
4. A crystalline solid
(a) changes abruptly from solid to liquid when heated
(b) has no definite melting point
(c) undergoes deformation of its geometry easily
(d) has an irregular 3-dimensional arrangements
5. Which of the following is not a characteristic of a crystalline
solid ?
(a) Definite and characteristic heat of fusion.
(b) Isotropic nature.
(c) A regular periodically repeated pattern of arrangement
of constituent particles in the entire crystal.
(d) A true solid
6. Which of the following is not a crystalline solid?
(a) K Cl (b) CsCl
(c) Glass (d) Rhombic S
THE SOLID STATE
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7. Which of the following statements about amorphous solids
is incorrect ?
(a) They melt over a range of temperature
(b) They are anisotropic
(c) There is no orderly arrangement of particles
(d) They are rigid and incompressible
8. Which of the following is not a crystalline solid?
(a) K Cl (b) CsCl
(c) Glass (d) Rhombic S
9. Which of the following is an amorphous solid ?
(a) Graphite (C) (b) Quartz glass (SiO
2
)
(c) Chrome alum (d) Silicon carbide (SiC)
10. Which of the following statement is not true about
amorphous solids ?
(a) On heating they may become crystalline at certain
temperature.
(b) They may become crystalline on keeping for long time.
(c) Amorphous solids can be moulded by heating.
(d) They are anisotropic in nature.
11. The sharp melting point of crystalline solids is due to _____.
(a) a regular arrangement of constituent particles observed
over a short distance in the crystal lattice.
(b) a regular arrangement of constituent particles observed
over a long distance in the crystal lattice.
(c) same arrangement of constituent particles in different
directions.
(d) different arrangement of constituent particles in
different directions.
12. Why some glass objects from ancient civilisations are
found to become milky in appearance?
(a) Glass is a crystalline solid, milky appearance is due to
its crystalline nature.
(b) Glass is amorphous but on heating it become
crystalline at some temperature.
(c) Because of reaction of glass with impurities present
in the atmosphere.
(d) None of these.
13. Which of the following amorphous solid is used as
photovoltaic material for conversion of  sunlight into
electricity?
(a) Quartz glass (b) Quartz
(c) Silicon (d) Both  (a) and (b)