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
M

Muhammad Abubakar 25 - Oct - 2024 14 Min 32 Sec 105/120
U

Umar Saeed 21 - Jul - 2024 02 Min 11 Sec 95/120
K

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
A

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
M

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	The deviation of a gas from ideal behavior is maximum at :	A. -10°C and 5.0 atm B. -10°C and 2.0 atm C. 100°C and 2.0 atm D. 0°C and 2.0 atm
2	The intramolecular forces in gases are	A. Weak B. Normal C. Very weak D. Strong
3	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
4	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
5	The intramolecular force in gases are :	A. Weak B. Normal C. Very weak D. Strong
6	Cooling happens under the Joule Thomson Effect due to sudden	A. Contraction B. Absorption C. Expansion D. All of above
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	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 in	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	The density of a gas is directly proportional to pressure, inversely proportional to temperature and directly proportional to	A. Viscosity B. Molar mass C. Momentum 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

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 :

The rate of diffusion of a gas in

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

Liquids are less common than :

Which statement about gases is not correct ?

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

All gases can be compressed by :

Which Statement about gases is not correct?

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

In gases and liquids, temperature is the measure of :

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

The intramolecular forces in gases are

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

All gases can be compressed by

Liquids are less common than

Gases shows uniform behavior toward their :

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

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

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

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

The rate of diffusion of a gas is :

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

In gases and liquids, temperature is the measure of

Absolute temperature of a gas is proportional to

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

Keeping the temperature constant, if the gas is expanded

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

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

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

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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 :