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
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 relation ships b/w volume of given amount of gas and prevailing conditions of temperature and pressure are :	A. Charles's law B. Graham's law C. Boyle's law D. Gas law
2	The product of pressure and volume remains constant when temperature and quantity of gas is	A. zero B. variable C. kept constant D. None of these
3	Boyle's law doesn't fail even :	A. Temperature is extremely high B. Pressure is extremely high C. Mixture of gas is taken D. All of above
4	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
5	All gases can be compressed by	A. Keeping constant pressure B. Decreasing pressure C. Increasing pressure D. None of above
6	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
7	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
8	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid State C. Solid State D. All of above
9	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
10	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

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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

The intramolecular force in gases are :

Cooling happens under the Joule Thomson Effect due to sudden :

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 :

Liquids are less common than

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

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

Cooling happens under the Joule Thomson Effect due to sudden

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

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

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

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

Boyle's law doesn't fail even :

In solids, the temperature of is the measure of

The molar value of CO2 is maximum at :

In Solids, the temperature is the measure of

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

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

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

In gases and liquids, temperature is the measure of

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

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

In gases and liquids, temperature is the measure of :

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

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

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

All gases can be compressed by

Boyle's law does not fall even

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 molar value of CO₂is maximum at :

Number of molecules in one dm³of water is close to :