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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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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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	In solids, the temperature of is the measure of	A. Rotational kinetic energies B. transnational kineticenergies C. Vibrationalkineticenergies D. None of the above
2	According to Boyle's law, which parameters give a straight line parallel to axis-s, when we plot a graph between:	A. V and T B. P and V C. P and 1/V D. P and PV
3	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
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	Gases deviate from ideal behavior at high pressure. Which of the following is correct for non-ideality ?	A. At high pressure, the gas molecules move in one direction only. B. At high pressure, the collisions between the gas molecules are increased manifold. C. At high pressure, the volume of gas becomes insignificant. D. At high pressure, the inter molecular attraction become significant.
7	Cooling happens under the Joule Thomson Effect due to sudden	A. Contraction B. Absorption C. Expansion D. All of above
8	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
9	Absolute temperature of a gas is proportional to	A. Rotational kinetic energy B. Translational kinetic energy C. Vibrational kinetic energy D. Potential energy
10	All gases can be compressed by :	A. Keeping constant pressure B. Decreasing pressure C. Increasing pressure D. None of the 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

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

Boyle's law doesn't fail even :

In solids, the temperature of is the measure of

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

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

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

The intramolecular forces in gases are

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

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 ?

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

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

The intramolecular force in gases are :

All gases can be compressed by :

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

Gases show uniform behaviour towards their

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

All gases can be compressed by

In gases and liquids, temperature is the measure of :

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 :

Gases exert pressure on walls of container because the gas molecules

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

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

A graph between P and PV at constant temperature and number of mole is parallel to

The rate of diffusion of a gas is :

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

Liquids are less common than :

Which of the following is the simplest form of matter?

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ECAT Chemistry Chapter 3 Important MCQ's

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