ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer

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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	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
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	The deviation of a gas from ideal behavior is maximum at :	A. -10°C and 5.0 atm B. -10°C and 2.0 atm C. 100°C and 2.0 atm D. 0°C and 2.0 atm
4	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
5	Which of the following will have the same number of molecules at STP ?	A. 280 CM³ of CO² and 280 CM³ of N₂O B. 11.2 dm3 of O₂ and 32 g of O₂ C. 44 g of CO₂ and 11.2 dm³ of CO D. 28 g of N2 and 5.6 dm³ of oxygen
6	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
7	In solids, the temperature of is the measure of	A. Rotational kinetic energies B. transnational kineticenergies C. Vibrationalkineticenergies D. None of the above
8	The intramolecular forces in gases are	A. Weak B. Normal C. Very weak D. Strong
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	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

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

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

In Solids, the temperature is the measure of

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

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

Liquids are less common than

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

The intramolecular force in gases are :

The order of the rate of diffusion of gases NH3,SO2, CL2, and CO2 IS :

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

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

Cooling happens under the Joule Thomson Effect due to sudden

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

All gases can be compressed by :

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

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

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 :

Gases shows uniform behavior toward their :

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

The molar value of CO2 is maximum at :

In solids, the temperature of is the measure of

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

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

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

Which of the following is the simplest form of matter?

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

Keeping the temperature constant, if the gas is expanded

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ECAT Chemistry Chapter 3 Important MCQ's

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The order of the rate of diffusion of gases NH₃,SO₂, CL₂, and CO₂ IS :

The molar value of CO₂is maximum at :