MCQ Class12 Chemistry ch 1 Solid State

Q.1) which of the following is the example of amorphus solid?

a)NaCl

b)KOH

c)Glass

d)all of the above

Answer:c

Q,2)

Which of the following is not property of cystalline solid?

a)sharp melting point

b)anisotropic nature

c)isotropic nature

d)True solids

answer:c

Q.3) which of the following element or compound has highest melting point?

a)NaCl

b)Diamond

c)Iron

d)KCl

answer:b

Q.4) which of the following is not the part of centerd cubic cell?

a)primitive unit cell

b)face cneterd unit cell

c)end centered unit cell

d)body  centered unit cell

answer:a

Q.5)How many atoms or particle present in end centerd unit cell ?

a)5

b)4

c)1

d)2

answer:d

Q.6)which of the following is not example of hexagonal unit cell?

a)KNO3

b)graphite

c)ZnO

d)CdS

Answer:a

Q.7)which of the following primitive unit cell is most unsymmetric?

a)tetragonal

b)monoclinic

c)Triclinic

d))Rhomhedral

Answer:c

Q.8)How many dimension is possible in 14 bravais lattices?

a)one dimension

b)two dimension

c)three dimension

d)four dimension

Answer: c

Q.9)what is the coordination number in square closed packing?

a)2

b)4

c)6

d)3

answer:b

Q.10)How much space (void ) is present in  face centered unit cell?

a)26%

b)74%

c)48%

d)68%

answer:d

Q.11)what is the colour of F-center formed by LiCl ?

a)pink

b)Yellow

c)Red

d)Violet

answer:a