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
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	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	A real gas obeying van der Waals' equation will resemble ideal gas if :	A. both 'a' and 'b' are large B. both 'a' and 'b' are small C. 'a' is small and 'b' is large D. 'a' is large and 'b' is small
3	Liquids are less common than :	A. Solids B. Plasmas C. Gases D. All of above
4	A graph b/w P and 1/V at constant temperature and number of moles is parallel to :	A. Y-axis B. Z-axis C. X-axis D. None of above
5	In solids, the temperature of is the measure of	A. Rotational kinetic energies B. transnational kineticenergies C. Vibrationalkineticenergies D. None of the above
6	Gases shows uniform behavior toward their :	A. Internal conditions B. External conditions C. Internal and external conditions D. None of above
7	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
8	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
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	Gases show uniform behaviour towards their	A. Internal conditions B. External conditions C. Internal and external conditions D. None 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

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

Which statement about gases is not correct ?

The intramolecular force in gases are :

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

All gases can be compressed by :

The rate of diffusion of a gas in

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

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

Boyle's law is represented as :

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

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

The molar value of CO2 is maximum at :

Keeping the temperature constant, if the gas is expanded

Which of the following is the simplest form of matter?

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

Which Statement about gases is not correct?

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

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

In gases and liquids, temperature is the measure of :

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

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

In Solids, the temperature is the measure of

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

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

All gases can be compressed by

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

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

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

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

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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 molar value of CO₂is maximum at :

Number of molecules in one dm³of water is close to :