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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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
Y

Yasmeen Ashraf 04 - Jun - 2024 06 Min 46 Sec 75/120
B

babar saeed 07 - Jun - 2024 08 Min 04 Sec 75/120

ECAT Chemistry Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	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
2	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.
3	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
4	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.
5	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid state C. Solid state D. All of above
6	Boyle's law does not fall even	A. Temperature is extremely high B. Pressure is extremely high C. Mixture of gases is taken D. all of above
7	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
8	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
9	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.
10	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid State C. Solid State D. All of above

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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

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 :

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

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

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

Absolute temperature of a gas is proportional to

Liquids are less common than :

Boyle's law doesn't fail even :

Gases exert pressure on walls of container because the gas molecules

The density of a gas is directly proportional to pressure, inversely proportional to temperature and directly proportional to

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

All gases can be compressed by

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

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

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

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 the gas will be

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

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

Boyle's law does not fall even

Gases show uniform behaviour towards their

In gases and liquids, temperature is the measure of

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

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

Cooling happens under the Joule Thomson Effect due to sudden :

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

Which Statement about gases is not correct?

Liquids are less common than

Boyle's law is represented as :

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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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Number of molecules in one dm³of water is close to :

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