Solid State MCQs With Answers

Solid State MCQs With Answers

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01.Class 12 Chemistry Important Questions
02Very Important Questions for Class 12 Chemistry
03Important Questions for Class 12 Chemistry Chapter 1 The Solid State
04Solid State Class 12 Important Questions and Answers
05Chemistry Solid State Class 12 Important Questions and Answers PDF
06Solid State Class 12 Important Questions With Answers PDF
07Solid State Questions And Answers PDF
08Solid State Questions for Class 12 Chemistry
09Solid State Class 12 Important Questions With Answers
10Top Solid State Chemistry Questions and Answers PDF

The Solid State Class 12 Important Questions Very Short Answer Type

Question 1.
Which point defect in crystals does not alter the density of the relevant solid?
Answer:
Frenkel defect.

Question 2.
Which point defect in its crystal units alters the density of a solid?

Answer:
Schottky defect.

Question 3.
Which point defect in its crystal units increases the density of a solid?
Answer:
Metal excess defect increases the density of a solid. It is due to presence of extra cations in the interstitial sites.

Question 4.
How do metallic and ionic substances differ in conducting electricity?

Answer:
The electrical conductivity in metallic substances is due to free electrons while in ionic substances the conductivity is due to presence of ions.

Question 5.
Which point defect of its crystals decreases the density of a solid?
Answer:
Schottky defect.

Question 6.
What is the number of atoms in a unit cell of a face-centred cubic crystal?

Answer:
The number of atoms in a unit cell of fcc-crysta! is 4 atoms.

Question 7.
Write a feature which will distinguish a metallic solid from an ionic solid.

Answer:
The electrical conductivity in metallic solid is due to free electrons while in ionic solid the conductivity is due to presence of ions.

Question 8.
Which point defect in crystals of a solid does not change the density of the solid?

Answer:
Frenkel defect.

Question 9.
Which point defect in crystals of a solid decreases the density of the solid?

Answer:
Schottky defect.

Question 10.
What type of interactions hold the molecules together in a polar molecular solid?

Answer:
Dipole-dipole forces of attractions hold the molecules together in a polar molecular solid.

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