ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

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

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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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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	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
2	Pressure remaining constant, at which temperature volume of gas will become twice of what it is at 0°C ?	A. 546 B. 200 C. 546K D. 273K
3	In Solids, the temperature is the measure of	A. Rotational kinetic energies B. Translational kinetic energies C. Vibrational kinetic energies D. None of above
4	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
5	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
6	The ratio of volume to temperature on Kelvin scale is constant according to	A. Charle's law B. Newton's law C. Coulomb's law D. Boyle's law
7	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
8	The relation ships b/w volume of given amount of gas and prevailing conditions of temperature and pressure are :	A. Charles's law B. Graham's law C. Boyle's law D. Gas law
9	The movement of molecules from a region of high pressure to vacuum is called :	A. Evaporation B. Effusion C. Conduction D. Difusion
10	Absolute temperature of a gas is proportional to	A. Rotational kinetic energy B. Translational kinetic energy C. Vibrational kinetic energy D. Potential energy

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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

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

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

Gases shows uniform behavior toward their :

Which of the following is the simplest form of matter?

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

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

How should condition be changed to prevent the volume of a given gas from expanding whine its mass is increased ?

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

Liquids are less common than

In solids, the temperature of is the measure of

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

Liquids are less common than :

Cooling happens under the Joule Thomson Effect due to sudden :

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

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

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

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

Absolute temperature of a gas is proportional to

Boyle's law doesn't fail even :

In gases and liquids, temperature is the measure of :

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

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

In Solids, the temperature is the measure of

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

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

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

The rate of diffusion of a gas in

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

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

Cooling happens under the Joule Thomson Effect due to sudden

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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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