ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 3 Gases

Try The MCQ's Test For ECAT Chemistry Chapter 3 Gases

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ECAT Chemistry Chapter 3 Gases

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Question # 1

Absolute temperature of a gas is proportional to

Question # 2

The relation ships b/w volume of given amount of gas and prevailing conditions of temperature and pressure are :

Question # 3

In Boyle's law which of the following pair remains constant

Question # 4

Gases exert pressure on walls of container because the gas molecules :

Question # 5

For a gas obeying Boyle's law if pressure is doubled, the volume becomes :

Question # 6

Gases of air, always remain in random motion and do not settle due to

Question # 7

Which of the following is the simplest form of matter?

Question # 8

A graph b/w P and 1/V at constant temperature and number of moles is parallel to :

Question # 9

If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of the gas will be

Question # 10

A graph between P and PV at constant temperature and number of mole is parallel to

Question # 11

A real gas obeying van der Waals' equation will resemble ideal gas if :

Question # 12

Gases of air always remain in random motion and do not settle due to :

Question # 13

Boyle's law doesn't fail even :

Question # 14

The deviation of a gas from ideal behavior is maximum at :

Question # 15

Which of the following is the simplest form of matter?

Question # 16

Pressure remaining constant, at which temperature volume of gas will become twice of what it is at 0°C ?

Question # 17

In Boyle's law which of the following pair is variable

Question # 18

All gases can be compressed by

Question # 19

The rate of diffusion of a gas in

Question # 20

The intramolecular force in gases are :

Question # 21

A graph b/w P and 1/V at constant temperature and number of moles is parallel to :

Question # 22

The intramolecular forces in gases are

Question # 23

The graph between pressure and volume at constant temperature for a gas is

Question # 24

In Boyle's law which of the following pair remains constant :

Question # 25

Liquids are less common than :

Question # 26

In Solids, the temperature is the measure of

Question # 27

The highest temperature at which a substance can exist as a liquid is called its

Question # 28

All gases can be compressed by :

Question # 29

Gases exert pressure on walls of container because the gas molecules

Question # 30

The product of pressure and volume remains constant when temperature and quantity of gas is

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ECAT Chemistry Chapter 3 Important MCQ's

Sr.# Question Answer
1 Boyle's law is represented as :
A.

P 1/T

B. V and 1/P
C. PP
D. P1/P
2 If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of the gas will be
A. Remain unchanged
B. Doubled
C. Reduced
D. Increased four times
3 The highest temperature at which a substance can exist as a liquid is called its
A. Critical temperature
B. Zero temperature
C. Absolute temperature
D. None of above
4 In Boyle's law which of the following pair is variable :
A. Temperature and quantity of a gas.
B. Pressure and volume
C. Volume and quantity of a gas.
D. Pressure and quantity of a gas.
5 The intramolecular force in gases are :
A. Weak
B. Normal
C. Very weak
D. Strong
6 Gases exert pressure on walls of container because the gas molecules :
A. Obey gas laws.
B. Have definite volume.
C. Collide with the walls of container.
D. Collide with each other.
7 For a gas obeying Boyle's law if pressure is doubled, the volume becomes :
A. Remain constant
B. Double
C. One half
D. None of above
8 In solids, the temperature of is the measure of
A. Rotational kinetic energies
B. transnational kineticenergies
C. Vibrationalkineticenergies
D. None of the above
9 For a gas obeying Boyle's law if pressure is doubled, the volume becomes
A. Remains constant
B. Double
C. One half
D. None of above
10 Cooling happens under the Joule Thomson Effect due to sudden
A. Contraction
B. Absorption
C. Expansion
D. All of above

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  • ahsan

    ahsan

    20 Jul 2019

    hello

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