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
F

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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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
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	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	For a gas obeying Boyle's law if pressure is doubled, the volume becomes	A. Remains constant B. Double C. One half D. None of above
3	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid State C. Solid State D. All of above
4	The intramolecular forces in gases are	A. Weak B. Normal C. Very weak D. Strong
5	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
6	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
7	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid state C. Solid state D. All of above
8	In Solids, the temperature is the measure of	A. Rotational kinetic energies B. Translational kinetic energies C. Vibrational kinetic energies D. None of above
9	The intramolecular force in gases are :	A. Weak B. Normal C. Very weak D. Strong
10	The movement of molecules from a region of high pressure to vacuum is called :	A. Evaporation B. Effusion C. Conduction D. Difusion

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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

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

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

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

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

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

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

Which Statement about gases is not correct?

The rate of diffusion of a gas is :

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

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

Cooling happens under the Joule Thomson Effect due to sudden :

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

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

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

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

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

In gases and liquids, temperature is the measure of :

Gases show uniform behaviour towards their

Boyle's law is represented as :

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

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

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

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 :

The intramolecular force in gases are :

Keeping the temperature constant, if the gas is expanded

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

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

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

Liquids are less common than

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ECAT Chemistry Chapter 3 Important MCQ's

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