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	How should condition be changed to prevent the volume of a given gas from expanding whine its mass is increased ?	A. Temperature is lowered and pressure is increased B. Temperature is increasedand pressure is lowered C. Temperature and pressure both are lowered D. Temperature and pressure both are increased
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	The graph between pressure and volume at constant temperature for a gas is	A. Isobaric B. Isothermal C. Isotherm D. None of above
4	All gases can be compressed by :	A. Keeping constant pressure B. Decreasing pressure C. Increasing pressure D. None of the above
5	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
6	The movement of molecules from a region of high pressure to vacuum is called :	A. Evaporation B. Effusion C. Conduction D. Difusion
7	Which Statement about gases is not correct?	A. They spread throughout the vessel B. Pressure is due to collision C. There are larger spaces between the molecules D. Molecules are arranged regularly
8	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
9	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
10	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

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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

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 :

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

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

The graph between pressure and volume at constant temperature for a gas is

Keeping the temperature constant, if the gas is expanded

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

Which of the following is the simplest form of matter?

In gases and liquids, temperature is the measure of

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

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

The intramolecular forces in gases are

The intramolecular force in gases are :

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

Liquids are less common than

Gases shows uniform behavior toward their :

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

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

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

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

Which Statement about gases is not correct?

Gases show uniform behaviour towards their

Boyle's law is represented as :

Which of the following is the simplest form of matter?

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

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

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

In gases and liquids, temperature is the measure of :

Boyle's law doesn't fail even :

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

Prepare Complete Set Wise ECAT Chemistry Chapter 3 Gases MCQs Online With Answers

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

ECAT Chemistry Chapter 3 Important MCQ's

Test Questions

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

Number of molecules in one dm³of water is close to :