ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

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	Boyle's law is represented as :	A. P∞ 1/T B. V and 1/P C. P∞P D. P∞1/P
2	The rate of diffusion of a gas is :	A. Inversely proportional to its density B. Inversely proportional to square root of its molecular mass C. Directly proportional to molecular mass D. Directly proportional to its density
3	The intramolecular forces in gases are	A. Weak B. Normal C. Very weak D. Strong
4	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
5	The density of a gas is directly proportional to pressure, inversely proportional to temperature and directly proportional to	A. Viscosity B. Molar mass C. Momentum D. All of above
6	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
7	Gases of air, always remain in random motion and do not settle due to	A. Difference in molecular masses of air gases B. Difference in partial pressure of gas molecules C. Unequal number of different gas molecules D. Elastic collision of gas molecules
8	Gases deviate from ideal behavior at high pressure. Which of the following is correct for non-ideality ?	A. At high pressure, the gas molecules move in one direction only. B. At high pressure, the collisions between the gas molecules are increased manifold. C. At high pressure, the volume of gas becomes insignificant. D. At high pressure, the inter molecular attraction become significant.
9	All gases can be compressed by :	A. Keeping constant pressure B. Decreasing pressure C. Increasing pressure D. None of the above
10	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

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 3 Gases

ECAT Chemistry Chapter 3 Gases

The molar value of CO2 is maximum at :

Which Statement about gases is not correct?

In Solids, the temperature is the measure of

Cooling happens under the Joule Thomson Effect due to sudden :

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

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

Boyle's law doesn't fail even :

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

In solids, the temperature of is the measure of

In gases and liquids, temperature is the measure of :

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

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

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

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

Keeping the temperature constant, if the gas is expanded

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

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

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

Boyle's law is represented as :

Gases shows uniform behavior toward their :

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

All gases can be compressed by :

Gases show uniform behaviour towards their

The intramolecular force in gases are :

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

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

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

Which of the following is the simplest form of matter?

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

A graph between P and 1/V at constant temperature and number moles of a gas meets the

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

Set 1

Set 2

Set 3

Topic Test

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

ECAT Chemistry Chapter 3 Important MCQ's

Test Questions

Is this page helpful?

Share your comments & questions here

ahsan

The molar value of CO₂is maximum at :