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Q. No.The volume occupied by the molecules contained in 4.5 kg4.5 kg water at STP, if the molecular forces vanish away, is:
1. 5.6 m35.6 m3
2. 5.6×106 m35.6×106 m3
3. 5.6×103 m35.6×103 m3
4. 5.6×10−3 m35.6×10−3 m3
1. 5.6 m35.6 m3
2. 5.6×106 m35.6×106 m3
3. 5.6×103 m35.6×103 m3
4. 5.6×10−3 m35.6×10−3 m3
Subtopic: Ideal Gas Equation |
From NCERT
NEET - 2022
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Given below are two statements:
| Assertion (A): | As a gas bubble rises from the bottom of a lake, its volume decreases. |
| Reason (R): | As the gas bubble rises from the bottom of a lake, the pressure of the gas within decreases. |
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Subtopic: Ideal Gas Equation |
69%
From NCERT
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Which of the following diagrams (figure) depicts ideal gas behaviour?
| 1. | (a), (c) | 2. | (a), (d) |
| 3. | (c), (d) | 4. | (a), (b) |
Subtopic: Ideal Gas Equation |
69%
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A cylinder contains hydrogen gas at a pressure of 249 kPa249 kPa and temperature 27∘C.27∘C. Its density is:
(R=8.3 J mol−1K−1R=8.3 J mol−1K−1)
1. 0.2 kg/m30.2 kg/m3
2. 0.1 kg/m30.1 kg/m3
3. 0.02 kg/m30.02 kg/m3
4. 0.5 kg/m30.5 kg/m3
Subtopic: Ideal Gas Equation |
62%
From NCERT
NEET - 2020
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The process on an ideal gas as shown in the figure given below is:
1. isothermal
2. isobaric
3. isochoric
4. none of these
Subtopic: Ideal Gas Equation |
86%
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An ideal gas equation can be written as P=ρRTM0P=ρRTM0 where ρρ and M0M0 are respectively:
| 1. | mass density, the mass of the gas. |
| 2. | number density, molar mass. |
| 3. | mass density, molar mass. |
| 4. | number density, the mass of the gas. |
Subtopic: Ideal Gas Equation |
79%
From NCERT
NEET - 2020
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The pressure exerted by a gas enclosed within a room is due to:
| 1. | collisions of the gas molecules with the walls of the room |
| 2. | the repulsive force between molecules of the gas |
| 3. | weight of the molecules of the gas |
| 4. | angular momentum of the molecules |
Subtopic: Kinetic Energy of an Ideal Gas |
89%
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A gas in a vessel is initially at pressure P.P. If the mass of all the gas molecules is halved and their speed is doubled, then the resultant pressure will be:
| 1. | 2P2P | 2. | PP |
| 3. | P2P2 | 4. | 4P4P |
Subtopic: Kinetic Energy of an Ideal Gas |
66%
From NCERT
NEET - 2013
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Suppose that the average kinetic energy (translational & rotational) of random molecular motion of helium (He)(He) at temperature THeTHe is equal to that of hydrogen (H2)(H2) at temperature TH2.TH2. Then;
| 1. | TH2=THeTH2=THe | 2. | TH22=THe4TH22=THe4 |
| 3. | 5TH2=3THe5TH2=3THe | 4. | TH25=THe3TH25=THe3 |
Subtopic: Kinetic Energy of an Ideal Gas |
53%
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Which of the following parameters is the same for molecules of all gases at a given temperature?
1. mass
2. speed
3. momentum
4. kinetic energy
Subtopic: Kinetic Energy of an Ideal Gas |
70%
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