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The critical temperature of a gas is the temperature above which:- a)The gas condenses into a liquid
- b)The gas freezes into a solid
- c)The gas becomes supercritical
- d)The gas dissociates into its constituent elements
Correct answer is option 'C'. Can you explain this answer?
The critical temperature of a gas is the temperature above which:
a)
The gas condenses into a liquid
b)
The gas freezes into a solid
c)
The gas becomes supercritical
d)
The gas dissociates into its constituent elements
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Catalyst Learningacademy answered |
The critical temperature of a gas is the temperature above which the gas cannot be liquefied, regardless of the pressure applied.
According to Dalton's law of partial pressures, the total pressure exerted by a mixture of gases is equal to:- a)The sum of the pressures of individual gases
- b)The average of the pressures of individual gases
- c)The product of the pressures of individual gases
- d)The difference between the pressures of individual gases
Correct answer is option 'A'. Can you explain this answer?
According to Dalton's law of partial pressures, the total pressure exerted by a mixture of gases is equal to:
a)
The sum of the pressures of individual gases
b)
The average of the pressures of individual gases
c)
The product of the pressures of individual gases
d)
The difference between the pressures of individual gases
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Catalyst Learningacademy answered |
Dalton's law states that the total pressure exerted by a mixture of gases is equal to the sum of the pressures of the individual gases.
According to Charles's law, if the temperature of a gas increases, what happens to its volume, assuming constant pressure?- a)Volume increases
- b)Volume decreases
- c)Volume remains constant
- d)Volume becomes zero
Correct answer is option 'A'. Can you explain this answer?
According to Charles's law, if the temperature of a gas increases, what happens to its volume, assuming constant pressure?
a)
Volume increases
b)
Volume decreases
c)
Volume remains constant
d)
Volume becomes zero
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Catalyst Learningacademy answered |
Charles's law states that at constant pressure, the volume of a gas is directly proportional to its temperature.
What happens to the average kinetic energy of gas molecules as the temperature increases?- a)It decreases
- b)It remains constant
- c)It increases
- d)It cannot be determined
Correct answer is option 'C'. Can you explain this answer?
What happens to the average kinetic energy of gas molecules as the temperature increases?
a)
It decreases
b)
It remains constant
c)
It increases
d)
It cannot be determined
|
Paradigm Institute answered |
The average kinetic energy of gas molecules is directly proportional to the temperature. As the temperature increases, so does the kinetic energy.
Which gas law is used to determine the molar mass of an unknown gas?- a)Boyle's law
- b)Gay-Lussac's law
- c)Charles's law
- d)Avogadro's law
Correct answer is option 'A'. Can you explain this answer?
Which gas law is used to determine the molar mass of an unknown gas?
a)
Boyle's law
b)
Gay-Lussac's law
c)
Charles's law
d)
Avogadro's law
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|
Paradigm Institute answered |
Boyle's law can be used to determine the molar mass of an unknown gas by comparing the volume changes at constant temperature.
The ideal gas law equation is expressed as:- a)PV = nRT
- b)P = V/nRT
- c)V = PRT/n
- d)T = PV/nR
Correct answer is option 'A'. Can you explain this answer?
The ideal gas law equation is expressed as:
a)
PV = nRT
b)
P = V/nRT
c)
V = PRT/n
d)
T = PV/nR
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|
Paradigm Institute answered |
The ideal gas law equation is PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the gas constant, and T is temperature.
Which gas law describes the relationship between the pressure and volume of a gas at constant temperature?- a)Boyle's law
- b)Gay-Lussac's law
- c)Charles's law
- d)Avogadro's law
Correct answer is option 'A'. Can you explain this answer?
Which gas law describes the relationship between the pressure and volume of a gas at constant temperature?
a)
Boyle's law
b)
Gay-Lussac's law
c)
Charles's law
d)
Avogadro's law
|
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Catalyst Learningacademy answered |
Boyle's law describes the inverse relationship between the pressure and volume of a gas at constant temperature.
Boyle's law relates the pressure and volume of a gas at constant:- a)Temperature
- b)Amount of gas
- c)Density
- d)Molar mass
Correct answer is option 'A'. Can you explain this answer?
Boyle's law relates the pressure and volume of a gas at constant:
a)
Temperature
b)
Amount of gas
c)
Density
d)
Molar mass
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Catalyst Learningacademy answered |
Boyle's law states that at constant temperature, the pressure and volume of a gas are inversely proportional.
The partial pressure of a gas in a mixture is directly proportional to its:- a)Volume
- b)Temperature
- c)Molar mass
- d)Moles
Correct answer is option 'D'. Can you explain this answer?
The partial pressure of a gas in a mixture is directly proportional to its:
a)
Volume
b)
Temperature
c)
Molar mass
d)
Moles
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|
Paradigm Institute answered |
According to Dalton's law of partial pressures, the partial pressure of a gas is directly proportional to its mole fraction in the mixture.
Which gas law states that the volume of a gas is inversely proportional to its pressure at constant temperature?- a)Boyle's law
- b)Gay-Lussac's law
- c)Charles's law
- d)Avogadro's law
Correct answer is option 'A'. Can you explain this answer?
Which gas law states that the volume of a gas is inversely proportional to its pressure at constant temperature?
a)
Boyle's law
b)
Gay-Lussac's law
c)
Charles's law
d)
Avogadro's law
|
|
Paradigm Institute answered |
Boyle's law states that the volume of a gas is inversely proportional to its pressure at constant temperature.
Which of the following gases deviates the most from ideal gas behavior under normal conditions?- a)Hydrogen
- b)Oxygen
- c)Nitrogen
- d)Carbon dioxide
Correct answer is option 'D'. Can you explain this answer?
Which of the following gases deviates the most from ideal gas behavior under normal conditions?
a)
Hydrogen
b)
Oxygen
c)
Nitrogen
d)
Carbon dioxide
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|
Catalyst Learningacademy answered |
Carbon dioxide deviates the most from ideal gas behavior due to its larger molecular size and intermolecular forces.
The kinetic molecular theory of gases states that:- a)Gases consist of small, indivisible particles called molecules.
- b)Gases have a fixed volume and shape.
- c)Gases are not affected by changes in temperature.
- d)Gases have low kinetic energy.
Correct answer is option 'A'. Can you explain this answer?
The kinetic molecular theory of gases states that:
a)
Gases consist of small, indivisible particles called molecules.
b)
Gases have a fixed volume and shape.
c)
Gases are not affected by changes in temperature.
d)
Gases have low kinetic energy.
|
|
Paradigm Institute answered |
The kinetic molecular theory describes gases as being composed of tiny molecules that are in constant motion.
The van der Waals equation of state is a modification of the ideal gas law that accounts for:- a)The volume of gas molecules
- b)The pressure of the gas container
- c)The temperature of the gas
- d)The number of gas molecules
Correct answer is option 'A'. Can you explain this answer?
The van der Waals equation of state is a modification of the ideal gas law that accounts for:
a)
The volume of gas molecules
b)
The pressure of the gas container
c)
The temperature of the gas
d)
The number of gas molecules
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Catalyst Learningacademy answered |
The van der Waals equation of state corrects for the volume occupied by gas molecules, which is neglected in the ideal gas law.
According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to its:- a)Molar mass
- b)Temperature
- c)Volume
- d)Pressure
Correct answer is option 'A'. Can you explain this answer?
According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to its:
a)
Molar mass
b)
Temperature
c)
Volume
d)
Pressure
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Catalyst Learningacademy answered |
Graham's law of effusion states that the rate of effusion of a gas is inversely proportional to the square root of its molar mass.
Which of the following statements about the behavior of gases is true?- a)Gases have definite shape and volume.
- b)Gases are highly compressible.
- c)Gases have strong intermolecular forces.
- d)Gases do not exhibit diffusion.
Correct answer is option 'B'. Can you explain this answer?
Which of the following statements about the behavior of gases is true?
a)
Gases have definite shape and volume.
b)
Gases are highly compressible.
c)
Gases have strong intermolecular forces.
d)
Gases do not exhibit diffusion.
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Catalyst Learningacademy answered |
Gases have particles with large spaces between them, allowing for compression when pressure is applied.
Which of the following gases has the highest average kinetic energy at the same temperature?- a)Helium
- b)Oxygen
- c)Carbon dioxide
- d)Nitrogen
Correct answer is option 'A'. Can you explain this answer?
Which of the following gases has the highest average kinetic energy at the same temperature?
a)
Helium
b)
Oxygen
c)
Carbon dioxide
d)
Nitrogen
|
|
Paradigm Institute answered |
The average kinetic energy of gas molecules is directly proportional to their temperature and inversely proportional to their molar mass. Helium has the lowest molar mass among the options, so it has the highest average kinetic energy at the same temperature.
Avogadro's law states that equal volumes of gases, at the same temperature and pressure, contain:- a)Equal numbers of molecules
- b)Equal masses of gas
- c)Equal densities
- d)Equal molar masses
Correct answer is option 'A'. Can you explain this answer?
Avogadro's law states that equal volumes of gases, at the same temperature and pressure, contain:
a)
Equal numbers of molecules
b)
Equal masses of gas
c)
Equal densities
d)
Equal molar masses
|
|
Paradigm Institute answered |
Avogadro's law states that equal volumes of gases, at the same temperature and pressure, contain the same number of molecules.
Which of the following statements about the behavior of real gases is true?- a)Real gases always follow the ideal gas law.
- b)Real gases do not experience intermolecular forces.
- c)Real gases deviate from ideal behavior at high temperatures and low pressures.
- d)Real gases have negligible volume compared to the volume of the container.
Correct answer is option 'C'. Can you explain this answer?
Which of the following statements about the behavior of real gases is true?
a)
Real gases always follow the ideal gas law.
b)
Real gases do not experience intermolecular forces.
c)
Real gases deviate from ideal behavior at high temperatures and low pressures.
d)
Real gases have negligible volume compared to the volume of the container.
|
|
Paradigm Institute answered |
Real gases deviate from ideal behavior when the intermolecular forces and molecular volumes become significant at high temperatures and low pressures.
Which gas law states that the pressure of a gas is directly proportional to its absolute temperature?- a)Boyle's law
- b)Gay-Lussac's law
- c)Charles's law
- d)Avogadro's law
Correct answer is option 'B'. Can you explain this answer?
Which gas law states that the pressure of a gas is directly proportional to its absolute temperature?
a)
Boyle's law
b)
Gay-Lussac's law
c)
Charles's law
d)
Avogadro's law
|
|
Paradigm Institute answered |
Gay-Lussac's law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume.
The ideal gas law combines which three gas laws?- a)Boyle's law, Charles's law, and Gay-Lussac's law
- b)Avogadro's law, Dalton's law, and Graham's law
- c)Henry's law, Raoult's law, and Dalton's law
- d)Hess's law, Faraday's law, and Graham's law
Correct answer is option 'A'. Can you explain this answer?
The ideal gas law combines which three gas laws?
a)
Boyle's law, Charles's law, and Gay-Lussac's law
b)
Avogadro's law, Dalton's law, and Graham's law
c)
Henry's law, Raoult's law, and Dalton's law
d)
Hess's law, Faraday's law, and Graham's law
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Catalyst Learningacademy answered |
The ideal gas law combines Boyle's law, Charles's law, and Gay-Lussac's law into a single equation.
Chapter doubts & questions for Behaviour of Gases - Lucent for GK 2025 is part of UPSC CSE exam preparation. The chapters have been prepared according to the UPSC CSE exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for UPSC CSE 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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