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	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.
2	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
3	All gases can be compressed by :	A. Keeping constant pressure B. Decreasing pressure C. Increasing pressure D. None of the above
4	The movement of molecules from a region of high pressure to vacuum is called :	A. Evaporation B. Effusion C. Conduction D. Difusion
5	Keeping the temperature constant, if the gas is expanded	A. kinetic energy of molecules will increase B. Number of gas molecules increases C. Temperature will increases D. Pressure will decrease
6	Absolute temperature of a gas is proportional to	A. Rotational kinetic energy B. Translational kinetic energy C. Vibrational kinetic energy D. Potential energy
7	All gases can be compressed by	A. Keeping constant pressure B. Decreasing pressure C. Increasing pressure D. None of above
8	Equal masses of methane and oxygen are mixed in an empty container at 25°CThe fraction of total pressure exerted by oxygen is :	A. 1/2 B. 8/9 C. 1/9 D. 16/17
9	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
10	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

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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

Gases exert pressure on walls of container because the gas molecules

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

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

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

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

The intramolecular forces in gases are

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

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

Which Statement about gases is not correct?

In gases and liquids, temperature is the measure of :

Boyle's law does not fall even

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

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

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

Which statement about gases is not correct ?

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

Cooling happens under the Joule Thomson Effect due to sudden

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

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

Which of the following is the simplest form of matter?

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

Number of molecules in one dm3 of water is close 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 deviation of a gas from ideal behavior is maximum at :

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

Cooling happens under the Joule Thomson Effect due to sudden :

In Solids, the temperature is the measure of

Absolute temperature of a gas is proportional to

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

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

Set 1

Set 2

Set 3

Topic Test

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

ECAT Chemistry Chapter 3 Important MCQ's

Test Questions

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 :