If one mole of a monoatomic gas (γ=5/3) is mixed with one mole of a diatomic gas (γ=7/5), the value of γ for the mixture is:

(1) 1.4

(2) 1.5

(3) 1.53

(4) 3.07

Subtopic:  Kinetic Theory of Gas |
 54%
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A gas is heated from 0°C to 100°C at 1.0 atm pressure. If the initial volume of the gas is 10 litre, its final volume would be:

(1) 7.32 litre

(2) 10.0 litre

(3) 13.66 litre

(4) 20.0 litre

Subtopic:  Gas Laws |
 83%
From NCERT
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The rates of diffusion of O2 and H2 at same P and T are in the ratio:

(1) 1:4

(2) 1:8

(3) 1:16

(4) 4:1

Subtopic:  Graham's Law |
 77%
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As the temperature is raised from 20°C to 40°C, the average kinetic energy of neon atoms changes by a factor:

(1) 2

(2) 313293

(3) 313293

(4) 12

Subtopic:  Kinetic Theory of Gas |
 62%
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The density of neon will be highest at:

(1) STP

(2) 0° C,2 atm

(3) 273° C, 1 atm 

(4) 273° C,2 atm

Subtopic:  Ideal Gas Law |
 71%
From NCERT
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At 27° C, the ratio of root mean square speeds of ozone to oxygen is-

1.(3/5)

2. (4/3)

3. (2/3)

4. 0.25

Subtopic:  Molecular Velocity |
 85%
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How many mole of He gas occupy 22.4 litre at 30 C and one atmospheric pressure?

(1) 0.90

(2) 1.11

(3) 0.11

(4) 1.0

Subtopic:  Ideal Gas Law |
 73%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

The rms speed of the molecules of a gas of density 4 kgm-3 and pressure 1.2 ×105×Nm-2 is;

(a) 120 ms-1
(b) 300 ms-1
(c) 600 ms-1
(d) 900 ms-1

Subtopic:  Molecular Velocity |
 78%
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4.0 g of argon gas pressure P and temperature T K in a vessel. On increasing the temperature by 50o, 0.8 g of argon was given out to maintain the pressure P.

The original temperature was:

1. 73 K 

2. 100 K

3. 200 K 

4. 510 K 

Subtopic:  Ideal Gas Law |
 65%
From NCERT
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Correct statement regarding the heating of a liquid is - 

1. Surface tension increases

2. Surface tension is lowered

3. Viscosity increases

4. Surface tension is not affected

Subtopic:  Liquefaction of Gases & Liquid |
 73%
From NCERT
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