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 rate of diffusion of a gas is :	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
2	Gases shows uniform behavior toward their :	A. Internal conditions B. External conditions C. Internal and external conditions D. None of above
3	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
4	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
5	A real gas obeying van der Waals' equation will resemble ideal gas if :	A. both 'a' and 'b' are large B. both 'a' and 'b' are small C. 'a' is small and 'b' is large D. 'a' is large and 'b' is small
6	A graph b/w P and 1/V at constant temperature and number of moles is parallel to :	A. Y-axis B. Z-axis C. X-axis D. None of above
7	The density of a gas is directly and volume at constant temperature for a gas is	A. Isobaric B. Isothermal C. Isotherm D. None of above
8	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
9	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
10	Absolute temperature of a gas is proportional to	A. Rotational kinetic energy B. Translational kinetic energy C. Vibrational kinetic energy D. Potential energy

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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

Boyle's law doesn't fail even :

Cooling happens under the Joule Thomson Effect due to sudden

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

Gases show uniform behaviour towards their

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

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

In Solids, the temperature is the measure of

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

In solids, the temperature of is the measure of

Gases shows uniform behavior toward their :

Cooling happens under the Joule Thomson Effect due to sudden :

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

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

Which of the following is the simplest form of matter?

All gases can be compressed by :

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

All gases can be compressed by

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

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

Boyle's law does not fall even

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

In gases and liquids, temperature is the measure of :

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

The rate of diffusion of a gas is :

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

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

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

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

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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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