Q1Multiple choice
Which of the following conditions favours the existence of a substance in the
solid state?
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Correct option: B
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Worked solution
Option (ii) is the answer.
NCERT Exemplar · Class 12 · Chemistry
Chapter 1: Solid State
Practice each question, then open the answer or worked solution.
Questions
37 questionsQ2Multiple choice
Which of the following is not a characteristic of a crystalline solid?
particles in the entire crystal.
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Correct option: B
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Worked solution
Option (ii) is the answer.
Q3Multiple choice
Which of the following is an amorphous solid?
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Correct option: B
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Worked solution
Option (ii) is the answer.
Q4Written answer
Which of the following arrangements shows the schematic alignment of magnetic
moments of antiferromagnetic substances?
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Option (iv) is the answer.
Q5Multiple choice
Which of the following is true about the value of the refractive index of quartz glass?
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Correct option: A
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Worked solution
Option (i) is the answer
Q6Multiple choice
Which of the following statement is not true about amorphous solids?
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Correct option: D
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Worked solution
Option (iv) is the answer.
Q7Written answer
The sharp melting point of crystalline solids is due to ___________.
(i) a regular arrangement of constituent particles observed over a short
distance in the crystal lattice.
(ii) a regular arrangement of constituent particles observed over a long
distance in the crystal lattice.
(iii) the same arrangement of constituent particles in different directions.
(iv) a different arrangement of constituent particles in different directions.
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Worked solution
Option (ii) is the answer.
Q8Written answer
Iodine molecules are held in the crystals lattice by ____________.
(i) London forces
(ii) dipole-dipole interactions
(iii) covalent bonds
(iv) coulombic forces
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Worked solution
Option (i) is the answer.
Q9Multiple choice
Which of the following is a network solid?
Option (iii) is the answer.
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Worked solution
Solution coming soon.
Q10Multiple choice
Which of the following solids is not an electrical conductor?
(A) Mg (s) (B) TiO (s) (C) I2
(s) (D) H2O (s)
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Correct option: C
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Worked solution
Option (iii) is the answer.