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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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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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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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
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Yasmeen Ashraf 04 - Jun - 2024 06 Min 46 Sec 75/120

ECAT Chemistry Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	The ratio of volume to temperature on Kelvin scale is constant according to	A. Charle's law B. Newton's law C. Coulomb's law D. Boyle's law
2	In Solids, the temperature is the measure of	A. Rotational kinetic energies B. Translational kinetic energies C. Vibrational kinetic energies D. None of above
3	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
4	Liquids are less common than :	A. Solids B. Plasmas C. Gases D. All of above
5	The intramolecular forces in gases are	A. Weak B. Normal C. Very weak D. Strong
6	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
7	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
8	Absolute temperature of a gas is proportional to	A. Rotational kinetic energy B. Translational kinetic energy C. Vibrational kinetic energy D. Potential energy
9	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
10	The movement of molecules from a region of high pressure to vacuum is called :	A. Evaporation B. Effusion C. Conduction D. Difusion

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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

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

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

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

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

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

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

Keeping the temperature constant, if the gas is expanded

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

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

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

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

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

In solids, the temperature of is the measure of

Gases show uniform behaviour towards their

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

In gases and liquids, temperature is the measure of :

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

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

All gases can be compressed by :

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

Which of the following is the simplest form of matter?

Gases shows uniform behavior toward their :

Boyle's law does not fall even

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

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

Which statement about gases is not correct ?

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

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

The rate of diffusion of a gas is :

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ECAT Chemistry Chapter 3 Important MCQ's

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Number of molecules in one dm³of water is close to :