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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 3 Gases

00:00
Question # 1

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

Question # 2

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

Question # 3

The relationships between volume of a given amount of gas and the prevailing conditions of temperature and pressure are

Question # 4

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

Question # 5

Which statement about gases is not correct ?

Question # 6

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

Question # 7

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

Question # 8

The intramolecular force in gases are :

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Keeping the temperature constant, if the gas is expanded

Question # 15

Boyle's law is represented as :

Question # 16

All gases can be compressed by

Question # 17

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

Question # 18

At constant temperature when pressure of a gas is plotted against volume, the curve is

Question # 19

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

Question # 20

The rate of diffusion of a gas is :

Question # 21

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

Question # 22

Liquids are less common than

Question # 23

The ratio of volume to temperature on Kelvin scale is constant according to

Question # 24

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

Question # 25

Number of molecules in one dm3 of water is close to :

Question # 26

All gases can be compressed by :

Question # 27

How should condition be changed to prevent the volume of a given gas from expanding whine its mass is increased ?

Question # 28

The intramolecular forces in gases are

Question # 29

Equal masses of methane and oxygen are mixed in an empty container at 25°CThe fraction of total pressure exerted by oxygen is :

Question # 30

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

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 3 Gases MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 3 Gases MCQ`s Test

  • A
    Abdullah Zubair 17 - Dec - 2024 04 Min 34 Sec 120/120
  • K
    Khalida Amjad 23 - Oct - 2024 01 Min 52 Sec 115/120
  • F
    Fatima Tabassum 11 - Jan - 2025 02 Min 30 Sec 115/120
  • R
    rehan sanaullah 06 - Jun - 2024 05 Min 12 Sec 105/120
  • M
    Muhammad Abubakar 25 - Oct - 2024 14 Min 32 Sec 105/120
  • A
    AS creations 16 - Jun - 2026 07 Min 11 Sec 96/120
  • U
    Umar Saeed 21 - Jul - 2024 02 Min 11 Sec 95/120
  • K
    kayani 17 - Jul - 2024 07 Min 39 Sec 95/120
  • N
    notghouri playz 16 - Dec - 2024 16 Min 23 Sec 95/120
  • M
    Mirza Abdullah 11 - Jun - 2024 04 Min 21 Sec 90/120
  • A
    Aman Fatima 03 - Jan - 2026 17 Min 21 Sec 88/120
  • L
    Laiba Jawad 21 - Sep - 2024 07 Min 29 Sec 80/120
  • M
    M Saifullah 02 - Jul - 2024 12 Min 19 Sec 80/120
  • S
    Shazi Ansari 05 - Jun - 2024 03 Min 12 Sec 75/120
  • E
    Eraj Abeer 18 - Dec - 2024 04 Min 19 Sec 75/120

ECAT Chemistry Chapter 3 Important MCQ's

Sr.# Question Answer
1 The relationships between volume of a given amount of gas and the prevailing conditions of temperature and pressure are
A. Charle's Law
B. Graham's Law
C. Boyle's Law
D. Gas Laws
2 A graph b/w P and 1/V at constant temperature and number of moles is parallel to :
A. None of above
B. X-axis
C. Z-axis
D. Y-axis
3 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.
4 In solids, the temperature of is the measure of
A. Rotational kinetic energies
B. transnational kineticenergies
C. Vibrationalkineticenergies
D. None of the above
5 The intramolecular force in gases are :
A. Weak
B. Normal
C. Very weak
D. Strong
6 In Solids, the temperature is the measure of
A. Rotational kinetic energies
B. Translational kinetic energies
C. Vibrational kinetic energies
D. None of above
7 If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of gas will :
A. remain unchanged
B. increase four times
C. reduce to 1/4
D. be doubled
8 The product of pressure and volume remains constant when temperature and quantity of gas is
A. zero
B. variable
C. kept constant
D. None of these
9 Boyle's law doesn't fail even :
A. Temperature is extremely high
B. Pressure is extremely high
C. Mixture of gas is taken
D. All of above
10 The ratio of volume to temperature on Kelvin scale is constant according to
A. Charle's law
B. Newton's law
C. Coulomb's law
D. Boyle's law

Test Questions