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
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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
A

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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notghouri playz 16 - Dec - 2024 16 Min 23 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	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
2	The order of the rate of diffusion of gases NH₃,SO₂, CL₂, and CO₂ IS :	A. NH_{3 >}SO_{2 >}CL_{2 >}CO₂ B. NH_{3 >}CO_{2 >}SO_{2 >}CL₂ C. CL_{2 >}SO_{2 >}CO_{2 >}NH₃ D. NH_{3 >}CO₂_>CL_{2 >}SO₂
3	Gases exert pressure on walls of container because the gas molecules	A. Obey gas laws B. Have definite volume C. Collide with the walls of container D. Collide with each other
4	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
5	In solids, the temperature of is the measure of	A. Rotational kinetic energies B. transnational kineticenergies C. Vibrationalkineticenergies D. None of the above
6	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
7	A graph between P and 1/V at constant temperature and number moles of a gas meets the	A. y-axis B. x-axis C. origin D. none of above
8	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
9	Liquids are less common than	A. Solids B. Plasmas C. Gases D. All of above
10	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid State C. Solid State D. All 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

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

Absolute temperature of a gas is proportional to

Keeping the temperature constant, if the gas is expanded

Liquids are less common than :

Boyle's law is represented as :

The intramolecular force in gases are :

The rate of diffusion of a gas in

The molar value of CO2 is maximum at :

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

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

A graph between P and PV at constant temperature and number of mole is parallel to

Cooling happens under the Joule Thomson Effect due to sudden :

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

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

In gases and liquids, temperature is the measure of

Which of the following is the simplest form of matter?

Gases exert pressure on walls of container because the gas molecules

In solids, the temperature of is the measure of

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

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

Gases show uniform behaviour towards their

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

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

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

Gases shows uniform behavior toward their :

Which statement about gases is not correct ?

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

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

ECAT Chemistry Chapter 3 Important MCQ's

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The molar value of CO₂is maximum at :

Number of molecules in one dm³of water is close to :