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

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

Question # 2

In Solids, the temperature is the measure of

Question # 3

Boyle's law doesn't fail even :

Question # 4

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

Question # 5

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

Question # 6

In gases and liquids, temperature is the measure of :

Question # 7

In gases and liquids, temperature is the measure of

Question # 8

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

Question # 9

Liquids are less common than

Question # 10

According to Boyle's law, which parameters give a straight line parallel to axis-s, when we plot a graph between:

Question # 11

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

Question # 12

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

Question # 13

Boyle's law is represented as :

Question # 14

The intramolecular force in gases are :

Question # 15

The movement of gas molecules from a region of high pressure to vacuum is called

Question # 16

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

Question # 17

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

Question # 18

The rate of diffusion of a gas is :

Question # 19

Keeping the temperature constant, if the gas is expanded

Question # 20

Liquids are less common than :

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Gases exert pressure on walls of container because the gas molecules

Question # 25

The movement of molecules from a region of high pressure to vacuum is called :

Question # 26

Gases shows uniform behavior toward their :

Question # 27

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

Question # 28

Boyle's law does not fall even

Question # 29

All gases can be compressed by

Question # 30

The order of the rate of diffusion of gases NH3,SO2, CL2, and CO2 IS :

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ECAT Chemistry Chapter 3 Important MCQ's

Sr.# Question Answer
1 A graph between P and PV at constant temperature and number of mole is parallel to
A. y axis
B. z axis
C. x axis
D. pressure axis
2 Which statement about gases is not correct ?
A. The spread throughout the vessel.
B. Pressure is due to collision
C. There are large spaces between the molecules.
D. molecules are arranged regularly.
3 In gases and liquids, temperature is the measure of
A. Average translational kinetic energies of molecules
B. Average vibrational kinetic energies of molecules
C. Average rotational kinetic energies of molecules
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 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
6 Boyle's law does not fall even
A. Temperature is extremely high
B. Pressure is extremely high
C. Mixture of gases is taken
D. all of above
7 In Boyle's law which of the following pair remains constant
A. Temperature and quality of a gas
B. Pressure and quality of a gas
C. Temperature and pressure
D. Temperature and quantity of a gas
8 The intramolecular force in gases are :
A. Weak
B. Normal
C. Very weak
D. Strong
9 The movement of molecules from a region of high pressure to vacuum is called :
A. Evaporation
B. Effusion
C. Conduction
D. Difusion
10 Equal masses of methane and oxygen are mixed in an empty container at 25°CThe fraction of total pressure exerted by oxygen is :
A. 1/2
B. 8/9
C. 1/9
D. 16/17

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  • ahsan

    ahsan

    20 Jul 2019

    hello

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