ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

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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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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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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	Keeping the temperature constant, if the gas is expanded	A. kinetic energy of molecules will increase B. Number of gas molecules increases C. Temperature will increases D. Pressure will decrease
3	According to Boyle's law. which parameters give a straight line parallel to x-axis, when we plot a graph between	A. V and T B. P and V C. P and 1/V D. P and PV
4	Gases shows uniform behavior toward their :	A. Internal conditions B. External conditions C. Internal and external conditions D. None of above
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	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
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	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
9	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
10	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

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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

All gases can be compressed by :

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

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

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

Which statement about gases is not correct ?

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

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

Which of the following will have the same number of molecules at STP ?

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

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

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

The intramolecular force in gases are :

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

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

Cooling happens under the Joule Thomson Effect due to sudden

Which of the following is the simplest form of matter?

Boyle's law doesn't fail even :

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

In gases and liquids, 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

A graph between P and 1/V at constant temperature and number moles of a gas meets the

Liquids are less common than

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

Liquids are less common than :

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

Gases exert pressure on walls of container because the gas molecules

Absolute temperature of a gas is proportional to

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

In Solids, the temperature is the measure of

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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 :