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
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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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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 graph between pressure and volume at constant temperature for a gas is	A. Isobaric B. Isothermal C. Isotherm D. None of above
2	In Boyle's law which of the following pair is variable	A. Temperature and quantity of a gas B. Pressure and Volume C. Volume and quantity of a gas D. Pressure and quantity of a gas
3	Which of the following is the simplest form of matter?	A. Gaseous state B. Liquid state C. Solid state D. All of above
4	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
5	Cooling happens under the Joule Thomson Effect due to sudden :	A. Contraction B. Absortption C. Expansion D. All of above
6	Liquids are less common than :	A. Solids B. Plasmas C. Gases D. All of above
7	The order of the rate of diffusion of gases NH₃,SO₂, CL₂, and CO₂ IS :	A. NH_{3 >}SO_{2 >}CL_{2 >}CO₂ B. NH_{3 >}CO_{2 >}SO_{2 >}CL₂ C. CL_{2 >}SO_{2 >}CO_{2 >}NH₃ D. NH_{3 >}CO₂_>CL_{2 >}SO₂
8	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
9	Which statement about gases is not correct ?	A. The spread throughout the vessel. B. Pressure is due to collision C. There are large spaces between the molecules. D. molecules are arranged regularly.
10	The movement of gas molecules from a region of high pressure to vacuum is called	A. Evaportation B. Effusion C. Conduction D. Diffusion

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

Absolute temperature of a gas is proportional to

All gases can be compressed by :

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

Gases shows uniform behavior toward their :

The intramolecular force in gases are :

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

Boyle's law is represented as :

Which of the following is the simplest form of matter?

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

Which of the following is the simplest form of matter?

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

Which Statement about gases is not correct?

Keeping the temperature constant, if the gas is expanded

Liquids are less common than

Gases exert pressure on walls of container because the gas molecules

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

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

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

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

All gases can be compressed by

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

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

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

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 :

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

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

Liquids are less common than :

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

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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 :