ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

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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	If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of the gas will be	A. Remain unchanged B. Doubled C. Reduced D. Increased four times
3	Which Statement about gases is not correct?	A. They spread throughout the vessel B. Pressure is due to collision C. There are larger spaces between the molecules D. Molecules are arranged regularly
4	At constant temperature when pressure of a gas is plotted against volume, the curve is	A. Slanting straight line B. Parabolic C. Staight line, parallel to pressure axis D. OF neither type
5	The molar value of CO₂is maximum at :	A. STP B. 127°C and 1 atm C. 0°C and 2 atm D. 273°C and 2 atm
6	Liquids are less common than :	A. Solids B. Plasmas C. Gases D. All of above
7	Cooling happens under the Joule Thomson Effect due to sudden	A. Contraction B. Absorption C. Expansion D. All of above
8	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
9	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
10	The intramolecular force in gases are :	A. Weak B. Normal C. Very weak D. Strong

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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 deviation of a gas from ideal behavior is maximum at :

Gases show uniform behaviour towards their

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

The rate of diffusion of a gas in

All gases can be compressed by :

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

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

Cooling happens under the Joule Thomson Effect due to sudden

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

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

Cooling happens under the Joule Thomson Effect due to sudden :

In solids, the temperature of is the measure of

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

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

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

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

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

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

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

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

Which Statement about gases is not correct?

All gases can be compressed by

Boyle's law does not fall even

The molar value of CO2 is maximum at :

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

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

The rate of diffusion of a gas is :

Boyle's law is represented as :

Which statement about gases is not correct ?

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

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ECAT Chemistry Chapter 3 Important MCQ's

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The molar value of CO₂is maximum at :