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Solid State(General Knowledge > General Science ) Questions and Answers
Home
Topic
General Knowledge
General Science
Solid State
Question 1.
Based on the nature of intermolecular forces, classify the following solids : Silicon carbide
Ionic solid
Covalent solid
Molecular solid
Metallic solid
Explanation:-
Answer: Option B. ->
Covalent solid
Question 2.
Which of the following is an amorphous solid?
Copper(Cu)
Quartz glass (SiO2)
Silicon carbide (SiC)
Sodium Chloride (NaCl)
Explanation:-
Answer: Option B. ->
Quartz glass (SiO2)
Question 3.
On doping Ge metal with a little of In(Indium) we get
n - type semiconductor
p-type semiconductor
insulator
rectifier
Explanation:-
Answer: Option B. ->
p-type semiconductor
Question 4.
Percentage of free space in BCC unit cell is
34%
28%
30%
32%
Explanation:-
Answer: Option D. ->
32%
Question 5.
A cubic solid is made of two elements P and Q
PQ
P2Q
PQ2
PQ4
Explanation:-
Answer: Option A. ->
PQ
Question 6.
Which of the following is a network solid or covalent crystalline solid?
Diamond (C)
H2O (Ice)
Calcium Fluoride (CaF2)
Iron Metal (Fe)
Explanation:-
Answer: Option A. ->
Diamond (C)
Question 7.
Anionic sites occupied by unpaired electrons are called
F Centres
Interstitial Centres
Cationic Centres
Anionic Centres
Explanation:-
Answer: Option A. ->
F Centres
Question 8.
The type of crystalline solid which is a good conductor in solid as well as molten state?
Ionic Solid
Metallic Solid
Covalent Solid
Molecular Solid
Explanation:-
Answer: Option B. ->
Metallic Solid
Question 9.
Niobium crystallises in body-centred cubic structure
331 pm
143 pm
331 nm
143 nm
Explanation:-
Answer: Option B. ->
143 pm
Question 10.
Defect shown by ionic crystals with large difference in size
Schottky Defect
Impurity Defect
Frenkel Defect
Metal Deficiency Defect
Explanation:-
Answer: Option C. ->
Frenkel Defect
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