B.Sc. First year Undergraduate degree course Semester second Physical chemistry paper IV
Chapter - Solid state chemistry
Multiple Choice
questions:
1. Which is not true about the solid
state?
a) they have definite shape and volume
b) they have high density and low
compressibility
c) they have high attractive forces among
molecules
d) they have high vapour pressure
2. Amorphous solids do not have
a) sharp melting point
b) characteristic geometrical shapes
c) regularity of the structure
d) all of these
3. A crystalline solid has
a) definite geometrical shape
b) flat faces
c) sharp edges
d) all of these
4. Amorphous substances are isotropic
because
a) they have same value of any property in
all directions
b) they have different values of physical
properties in different directions
c) they have definite geometrical shape
d) none of the above
5. The elements of symmetry are
a) plane of symmetry
b) axis of symmetry
c) centre of symmetry
d) all of these
6. The amorphous solid among the
following is
a) table salt
b) diamond
c) plastic
d) graphite
7. A crystalline solid does not have
one of the following properties. It is
a) anisotropy
b) sharp melting points
c) isotropy
d) definite and regular geometry
8. The Bragg’s equation for diffraction
of X-rays is
a) n λ = 2 d2 sin θ
b) n λ = 2 d sin θ
c) n λ = 2 d sin2 θ
d) n λ = d sin θ
9. In Bragg’s equation n λ = 2 d sinθ,
‘n’ represents
a) the number of moles
b) the principal quantum number
c) the Avogadro’s number
d) the order of reflection
10. Which of the following is a
non-crystalline solid?
a) rubber
b) ZnS
c) HgS
d) PbI
11. Glass, rubber and plastics
are------------
a) long-range
order
b) amorphous
solids
c) in
geometric form
d) none
of these
12. A cubic crystal possesses a total
of -------------- elements of symmetry.
a) 20
b) 23
c) 22
d) 12
13. There are ------------ crystal
systems.
a) 7
b) 5
c) 9
d) 3
14. The indices used to denote the
direction of a plane of crystal are-----
a) rational
indices
b) Miller
indices
c) Bragg's
indices
d) none
of the above
15. The diffraction of X-rays by
crystal was discovered by-------------,
a) Braggs
b) Laue
c) Bebye-Scherrer
d) None
of these
16. The Miller indices are often used
in the area of ---------
a) Amorphous
substances
b) ionic
crystal
c) single
crystal
d) hydrogen
crystal
17. A crystalline solid has----
a) definite
geometrical shape
b) flat
faces
c) sharp
edges
d) all
of the above
18. A crystalline substance does not
have --------
a) anisotropy
b) sharp
melting point
c) isotropy
d) definite
geometry
19. “The intercept of any face of a
crystal along the crystallographic axes are either equal to unit
intercepts (a, b, c) or simple whole number multiples of them.” It is the
statement of ----------
a) law
of symmetry
b) law
of constancy of interfacial angles
c) law
of rational indices
d) Bragg's
law
20.
The law of constancy of interfacial angles was given by ----
a) Braggs
b) Law
c) Miller
d) Steno
21. The reciprocals of the intercepts
made by a plane with crystallographic axes are called-
a) Weiss
indices
b) Miller
indices
c) Bragg
indices
d) Laue
indices
22. In solids the constituent particles may be
---------
a) atoms
b) ions
c) molecules
d) either
of these
23. Amorphous solids may be regarded as
------
a) solids
with real sense
b) liquids
with real sense
c) super
cooled liquids
d) Substances
with definite m.p.
24. Bravais lattices depend on the
shapes of -----------
a) lattice
b) cubic
crystal
c) unit
cell
d) none
of these
1) Mathematical concepts MCQ
2) Gaseous State MCQ
3)Liquid State MCQ
4) Solid State MCQ
5)Chemical kinetics MCQ
6) Catalysis MCQ
7) Colloidal State MCQ
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