ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

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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
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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
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
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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	At constant temperature when pressure of a gas is plotted against volume, the curve is	A. Slanting straight line B. Parabolic C. Staight line, parallel to pressure axis D. OF neither type
2	Liquids are less common than :	A. Solids B. Plasmas C. Gases D. All of above
3	The movement of gas molecules from a region of high pressure to vacuum is called	A. Evaportation B. Effusion C. Conduction D. Diffusion
4	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid state C. Solid state D. All of above
5	If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of gas will :	A. remain unchanged B. increase four times C. reduce to 1/4 D. be doubled
6	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
7	A graph b/w P and 1/V at constant temperature and number of moles is parallel to :	A. None of above B. X-axis C. Z-axis D. Y-axis
8	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
9	The graph between pressure and volume at constant temperature for a gas is	A. Isobaric B. Isothermal C. Isotherm D. None of above
10	Boyle's law is represented as :	A. P∞ 1/T B. V and 1/P C. P∞P D. P∞1/P

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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

Which of the following is the simplest form of matter?

Which of the following is the simplest form of matter?

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

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

In gases and liquids, temperature is the measure of :

Cooling happens under the Joule Thomson Effect due to sudden

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

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

The rate of diffusion of a gas in

Boyle's law doesn't fail even :

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

Gases shows uniform behavior toward their :

In solids, the temperature of is the measure of

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

All gases can be compressed by :

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

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

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

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

In gases and liquids, temperature is the measure of

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

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

Absolute temperature of a gas is proportional to

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

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

The intramolecular force in gases are :

The intramolecular forces in gases are

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

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

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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 :