ECAT Pre Engineering Chemistry Chapter 4 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 4 Liquids & Solids

Try The MCQ's Test For ECAT Chemistry Chapter 4 Liquids & Solids

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ECAT Chemistry Chapter 4 Liquids & Solids

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Question # 1

The molecules of CO2 in dry ice from the :

Question # 2

London dispersion forces are also called:

Question # 3

The strongest forces are

Question # 4

Hydrocarbon molecule with large chain lengths experience:

Question # 5

In a group on going downward, polarizability generally

Question # 6

]Which of the following is a pseudo solid?

Question # 7

London dispersion forces are also called

Question # 8

Ionic Solids are characterized by

Question # 9

Which one of the following is the weakest intermolecular force

Question # 10

Which of the following is a pseudo solid

Question # 11

HF has exceptionally low acidic strength due to:

Question # 12

Which of the following liquids has low vapor pressure at 25°C:

Question # 13

A liquid on evaporation causes

Question # 14

Hydrogen bonding is present between the molecules of

Question # 15

HF has exceptionally low acidic strengths due to

Question # 16

The intermolecular forces in liquids are

Question # 17

The boiling point of NH3 is maximum among the hydrides of group V elementsdue to:

Question # 18

At sea level and at 1000C the vapour pressure of water in an open system is

Question # 19

Rate of evaporation and rate of condensation at equilibrium:

Question # 20

Evaporation of water is possible at

Question # 21

The molecules of CO2in dry ice from the

Question # 22

Polypeptide chains are coiled about one another into a spiral by

Question # 23

London dispersion forces are alos called:

Question # 24

In a group on going downward, polarizability generally:

Question # 25

Heat of vapourization for liquids with strong dipole-dipole forces will have

Question # 26

Diamond is a bad conductor because:

Question # 27

Escape of high energy molecules from the surface of liquid is called:

Question # 28

Escape of high energy molecules from the surface of a liquid is called

Question # 29

Debye forces are present in one of the following pairs

Question # 30

The gases can be converted into liquids by

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ECAT Chemistry Chapter 4 Important MCQ's

Sr.# Question Answer
1 H2S is a gas which H2O is liquid at room temperature. it is due to
A. Less intermolecular forces in water
B. Covalent bond in H-O in water molecule
C. Hydrogen bonding in water molecules
D. Ionic characters in water molecules
2 Which of the following liquids has low vapour pressure at 250C
A. Diethyl ether
B. Acetone
C. Water
D. Ethyl alochol
3

Which of the following is a pseudo solid?

A.

CaF2

B.

Glass

C.

NaCL

D.

All
4 A liquid on evaporation causes
A. Heating effect
B. Cooling effect
C. Suffication
D. All of above
5 The intermolecular forces in liquids are
A. Negligible
B. Very weak
C. Very strong
D. Reasonably strong
6 Debye forces are present in on of the following pairs:
A. Na+ion and water
B. Argon and water
C. Argon and Na+ion
D. Ne and water
7 Debye forces are present in one of the following pairs
A. Na+ion and water
B. Argon and water
C. Argon and Na+ion
D. Ne and Water
8 Polypeptide chains are coiled about one another into a spiral by:
A. Ionic bonds
B. Covalent bonds
C. Van der Waal's forces
D. Hydrogen bonds
9 Which of the following is a pseudo solid
A. CaF2
B. Glass
C. NaCl
D. All
10 Which of the following liquids has low vapour pressure at 25°C:
A. Diethyl ether
B. Acetone.
C. Water.
D. Ethyl alcohol.

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