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	Gases deviate from ideal behavior at high pressure. Which of the following is correct for non-ideality ?	A. At high pressure, the gas molecules move in one direction only. B. At high pressure, the collisions between the gas molecules are increased manifold. C. At high pressure, the volume of gas becomes insignificant. D. At high pressure, the inter molecular attraction become significant.
2	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid State C. Solid State D. All of above
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	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
5	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
6	Gases show uniform behaviour towards their	A. Internal conditions B. External conditions C. Internal and external conditions D. None of above
7	A graph b/w P and 1/V at constant temperature and number of moles is parallel to :	A. None of above B. X-axis C. Z-axis D. Y-axis
8	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
9	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
10	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

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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

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

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

In gases and liquids, temperature is the measure of

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

Keeping the temperature constant, if the gas is expanded

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

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

Which of the following is the simplest form of matter?

Boyle's law doesn't fail even :

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

In gases and liquids, temperature is the measure of :

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

Cooling happens under the Joule Thomson Effect due to sudden

All gases can be compressed by :

The intramolecular forces in gases are

Liquids are less common than :

In solids, the temperature of is the measure of

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

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

Gases exert pressure on walls of container because the gas molecules

Gases shows uniform behavior toward their :

The rate of diffusion of a gas in

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

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

The molar value of CO2 is maximum at :

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

Boyle's law is represented as :

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

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

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

The molar value of CO₂is maximum at :