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

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

Question # 2

Gases show uniform behaviour towards their

Question # 3

The density of a gas is directly proportional to pressure, inversely proportional to temperature and directly proportional to

Question # 4

All gases can be compressed by

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Gases shows uniform behavior toward their :

Question # 11

Boyle's law doesn't fail even :

Question # 12

Boyle's law is represented as :

Question # 13

Which Statement about gases is not correct?

Question # 14

In Solids, the temperature is the measure of

Question # 15

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

Question # 16

Liquids are less common than :

Question # 17

In solids, the temperature of is the measure of

Question # 18

In gases and liquids, temperature is the measure of

Question # 19

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

Question # 20

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

Question # 21

Which of the following will have the same number of molecules at STP ?

Question # 22

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

Question # 23

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

Question # 24

Keeping the temperature constant, if the gas is expanded

Question # 25

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

Question # 26

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

Question # 27

All gases can be compressed by :

Question # 28

In gases and liquids, temperature is the measure of :

Question # 29

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

Question # 30

Cooling happens under the Joule Thomson Effect due to sudden

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
  • 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
  • Y
    Yasmeen Ashraf 04 - Jun - 2024 06 Min 46 Sec 75/120

ECAT Chemistry Chapter 3 Important MCQ's

Sr.# Question Answer
1 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.
2 The density of a gas is directly and volume at constant temperature for a gas is
A. Isobaric
B. Isothermal
C. Isotherm
D. None of above
3 Absolute temperature of a gas is proportional to
A. Rotational kinetic energy
B. Translational kinetic energy
C. Vibrational kinetic energy
D. Potential energy
4 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
5 The deviation of a gas from ideal behavior is maximum at :
A. -10°C and 5.0 atm
B. -10°C and 2.0 atm
C. 100°C and 2.0 atm
D. 0°C and 2.0 atm
6 Liquids are less common than
A. Solids
B. Plasmas
C. Gases
D. All of above
7 According to Boyle's law, which parameters give a straight line parallel to axis-s, when we plot a graph between:
A. V and T
B. P and V
C. P and 1/V
D. P and PV
8 The deviation of a gas from ideal behavior is maximum at :
A. -10°C and 5.0 atm
B. -10°C and 2.0 atm
C. 100°C and 2.0 atm
D. 0°C and 2.0 atm
9 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
10 In solids, the temperature of is the measure of
A. Rotational kinetic energies
B. transnational kineticenergies
C. Vibrationalkineticenergies
D. None of the above

Test Questions

Is this page helpful?