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 intramolecular force in gases are :	A. Weak B. Normal C. Very weak D. Strong
3	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
4	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
5	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.
6	The molar value of CO₂is maximum at :	A. STP B. 127°C and 1 atm C. 0°C and 2 atm D. 273°C and 2 atm
7	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
8	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
9	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.
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

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

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

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

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

The density of a gas is directly and volume at constant temperature for a gas is

Gases exert pressure on walls of container because the gas molecules

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

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

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

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

Cooling happens under the Joule Thomson Effect due to sudden :

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

Gases deviate from ideal behavior at high pressure. Which of the following is correct for non-ideality ?

Gases show uniform behaviour towards their

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

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

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

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

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

Absolute temperature of a gas is proportional to

Which statement about gases is not correct ?

In gases and liquids, temperature is the measure of :

In gases and liquids, temperature is the measure of

All gases can be compressed by :

Boyle's law doesn't fail even :

Which Statement about gases is not correct?

Which of the following is the simplest form of matter?

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

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

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

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