Solid State Test

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Solid State Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

The three states of matter are solid, liquid and gas. Which of the following statement is/are true about them

A
Gases and liquids have viscosity as a common property

B
The molecules in all the three states possess random translational motion

C
Gases cannot be converted into solids without passing through the liquid phase

D
Solids and liquids have vapour pressure as a common property

Solution

Both gases and liquids possess fluidity and hence viscosity molecules in the solid state do not have translational motion.
Question 2
1 / -0

A pure crystalline substance, on being heated gradually, first forms a turbid looking liquid and then the turbidity completely disappears. This behaviour is the characteristic of substances forming

A
Isomeric crystals

B
Liquid crystals

C
Isomorphous crystals

D
Allotropic crystals

Solution

It is a characteristic of liquid crystal.
Question 3
1 / -0

Which of the following is ferroelectric compound

A
BaTiO₃

B
K₄ [Fe(CN)₆]

C
Pb₂O₃

D
PbZrO₃

Solution

BaTiO₃is a ferroelectric compound.
Question 4
1 / -0

Value of heat of fusion of NaCl is

A
Very low

B
Very high

C
Not very low and not very high

D
None of the above

Solution

The value of heat of fusion of NaCl is very high due to fcc arrangement of its ions.
Question 5
1 / -0

Piezoelectric crystals are used in

A
TV

B
Radio

C
Record player

D
Freeze

Solution

Piezoelectric crystals are used in record player.
Question 6
1 / -0

NaCl is an example of

A
Covalent solid

B
Ionic solid

C
Molecular solid

D
Metallic solid

Solution

NaCl is a ionic solid in which constituent particles are positive (Na⁺) and negative (Cl) ions.
Question 7
1 / -0

Amorphous substances show

(A)     Short and long range order

(B)          Short range order

(C)          Long range order

(D)          Have no sharp M.P.

A
A and C are correct

B
B and C are correct

C
C and D are correct

D
B and D are correct

Solution

Amorphous solids have short range order but no sharp in melting point.
Question 8
1 / -0

The characteristic features of solids are

A
Definite shape

B
Definite size

C
Definite shape and size

D
Definite shape, size and rigidity

Solution

Solids have definite shape, size and rigidity.
Question 9
1 / -0

A crystalline solid

A
Changes abruptly from solid to liquid when heated

B
Has no definite melting point

C
Undergoes deformation of its geometry easily

D
Has an irregular 3-dimensional arrangements

Solution

In crystalline solid there is perfect arrangement of the constituent particles only at 0K. As the temperature increases the chance that a lattice site may be unoccupied by an ion increases. As the number of defects increases with temperature solid change in liquid.
Question 10
1 / -0

Diamond is an example of

A
Solid with hydrogen bonding

B
Electrovalent solid

C
Covalent solid

D
Glass

Solution

Diamond is a covalent solid in which constituent particles are atoms.

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Solid State Test - 1

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Solid State Test - 1

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Question 1

Gases and liquids have viscosity as a common property

The molecules in all the three states possess random translational motion

Gases cannot be converted into solids without passing through the liquid phase

Solids and liquids have vapour pressure as a common property

Solution

Question 2

Isomeric crystals

Liquid crystals

Isomorphous crystals

Allotropic crystals

Solution

Question 3

BaTiO3

K4 [Fe(CN)6]

Pb2O3

PbZrO3

Solution

Question 4

Very low

Very high

Not very low and not very high

None of the above

Solution

Question 5

TV

Radio

Record player

Freeze

Solution

Question 6

Covalent solid

Ionic solid

Molecular solid

Metallic solid

Solution

Question 7

A and C are correct

B and C are correct

C and D are correct

B and D are correct

Solution

Question 8

Definite shape

Definite size

Definite shape and size

Definite shape, size and rigidity

Solution

Question 9

Changes abruptly from solid to liquid when heated

Has no definite melting point

Undergoes deformation of its geometry easily

Has an irregular 3-dimensional arrangements

Solution

Question 10

Solid with hydrogen bonding

Electrovalent solid

Covalent solid

Glass

Solution

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BaTiO₃

K₄ [Fe(CN)₆]

Pb₂O₃

PbZrO₃