ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

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

ECAT Chemistry Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	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
2	Absolute temperature of a gas is proportional to	A. Rotational kinetic energy B. Translational kinetic energy C. Vibrational kinetic energy D. Potential energy
3	In gases and liquids, temperature is the measure of :	A. Average transnational kinetic energies of molecules. B. Average vibrational kinetic energies of molecules. C. Average rotational kinetic energies of molecules. D. None of above
4	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid State C. Solid State D. All of above
5	The rate of diffusion of a gas in	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
6	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
7	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
8	All gases can be compressed by :	A. Keeping constant pressure B. Decreasing pressure C. Increasing pressure D. None of the above
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	Gases shows uniform behavior toward their :	A. Internal conditions B. External conditions C. Internal and external conditions D. None of above

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ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 3 Gases

ECAT Chemistry Chapter 3 Gases

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

Liquids are less common than

The intramolecular force in gases are :

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

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

Boyle's law doesn't fail even :

The intramolecular forces in gases are

In gases and liquids, temperature is the measure of :

Cooling happens under the Joule Thomson Effect due to sudden :

In gases and liquids, temperature is the measure of

Gases exert pressure on walls of container because the gas molecules

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

Gases shows uniform behavior toward their :

Keeping the temperature constant, if the gas is expanded

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

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

Which Statement about gases is not correct?

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

Absolute temperature of a gas is proportional to

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

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

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

Cooling happens under the Joule Thomson Effect due to sudden

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

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

The molar value of CO2 is maximum at :

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

The rate of diffusion of a gas is :

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

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

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

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

The molar value of CO₂is maximum at :