Test: Types of Solids and Properties

Question 1

A crystalline solid

Accepted Answer

changes abruptly from solid to liquid when heated.

Answer

has no definite melting point.

Answer

undergoes deformation of its geometry easily.

Answer

has an irregular 3-dimensional arrangements.

Question 2

Which of the following is not a crystalline solid?

Accepted Answer

<p>Glass</p>

Answer

Answer

Answer

<p>Rhombic S</p>

Question 3

Which one of the following forms a molecular solid when solidified?

Accepted Answer

<div><div><div>Methane</div></div><div></div></div>

Answer

Silicon carbide

Answer

Calcium fluoride

Answer

Question 4

An example for network solid is

Accepted Answer

Answer

Answer

Answer

Question 5

What is the energy gap between valence band and conduction band in crystal of insulators?

Accepted Answer

<div><div><div>Very large</div></div><div></div></div>

Answer

Both the bands are overlapped with each other

Answer

<div><div><div>Very small</div></div><div></div></div>

Answer

<div><div><div>Infinite</div></div><div></div></div>

Question 6

In a solid 'AB' having the NaCl structure, 'A' atoms occupy the corners in cubic unit cell. If all the face-centered atoms along one of the axes are removed, then the resultant stoichiometry of the solid is

Accepted Answer

Answer

Answer

Answer

Question 7

Assertion (A): White tin is an example of tetragonal system.
Reasoning (R): For a tetragonal system a = b = c and α = β = γ ≠ 90^∘. The correct answer is

Accepted Answer

(A) is true but (R) is not true.

Answer

(A) and (R) are true and (R) is the correct explanation of .

Answer

Both (A) and (R) are true and (R) is not the correct explanation of (A).

Answer

(A) is not true but (R) is true.

Question 8

How many number of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube?

Accepted Answer

Answer

Answer

Answer

Question 9

The unit cell dimensions of a cubic lattice (edges a, b, c and the angles between them, α, β and γ) are

Accepted Answer

a = b = c, α = β = γ = 90^∘

Answer

a = b ≠ c, α = β = γ = 90^∘

Answer

a = b = c, α = γ = 900, β ≠ 90^∘

Answer

a ≠ b ≠ c, α = β = 90^∘, γ ≠ 90^∘

Question 10

A crystal made up of particles X, Y, and Z. X forms FCC& packing. Y occupies all octahedral voids of X and Z occupies all tetrahedral voids of X. If all particles along one body diagonal are removed, then the formula of the crystal is

Accepted Answer

X₅Y₄Z₈

Answer

Answer

Answer

X₈Y₄Z₅

Types of Solids and Properties - Free MCQ Practice Test with solutions,

MCQ Practice Test & Solutions: Test: Types of Solids and Properties (10 Questions)

A crystalline solid

Which of the following is not a crystalline solid?

Which one of the following forms a molecular solid when solidified?

An example for network solid is

What is the energy gap between valence band and conduction band in crystal of insulators?

In a solid 'AB' having the NaCl structure, 'A' atoms occupy the corners in cubic unit cell. If all the face-centered atoms along one of the axes are removed, then the resultant stoichiometry of the solid is

Assertion (A): White tin is an example of tetragonal system.
Reasoning (R): For a tetragonal system a = b = c and α = β = γ ≠ 90^∘. The correct answer is

How many number of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube?

The unit cell dimensions of a cubic lattice (edges a, b, c and the angles between them, α, β and γ) are

A crystal made up of particles X, Y, and Z. X forms FCC& packing. Y occupies all octahedral voids of X and Z occupies all tetrahedral voids of X. If all particles along one body diagonal are removed, then the formula of the crystal is

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Types of Solids and Properties - Free MCQ Practice Test with solutions,

MCQ Practice Test & Solutions: Test: Types of Solids and Properties (10 Questions)

A crystalline solid

Which of the following is not a crystalline solid?

Which one of the following forms a molecular solid when solidified?

An example for network solid is

What is the energy gap between valence band and conduction band in crystal of insulators?

In a solid 'AB' having the NaCl structure, 'A' atoms occupy the corners in cubic unit cell. If all the face-centered atoms along one of the axes are removed, then the resultant stoichiometry of the solid is

Assertion (A): White tin is an example of tetragonal system. Reasoning (R): For a tetragonal system a = b = c and α = β = γ ≠ 90∘. The correct answer is

How many number of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube?

The unit cell dimensions of a cubic lattice (edges a, b, c and the angles between them, α, β and γ) are

A crystal made up of particles X, Y, and Z. X forms FCC& packing. Y occupies all octahedral voids of X and Z occupies all tetrahedral voids of X. If all particles along one body diagonal are removed, then the formula of the crystal is

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Assertion (A): White tin is an example of tetragonal system.
Reasoning (R): For a tetragonal system a = b = c and α = β = γ ≠ 90^∘. The correct answer is