Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 49

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Weekly Quiz Competition

Question 1
4 / -1

The rate of diffusion is

A
Faster in solids than in liquids and gases

B
Faster in liquids than in solids and gases

C
Equal to solids, liquids and gases

D
Faster in gases than in liquids and solids
Question 2
4 / -1

For matter to exist simultaneously in gas and liquid phases

A
The temperature must be 0 K

B
The temperature must be less than 0°C

C
The temperature must be less than the critical temperature

D
The temperature must be less than the reduced temperature
Question 3
4 / -1

Ideal gas and real gas has major difference of

A
Phase transition

B
Temperature

C
Pressure

D
None of these
Question 4
4 / -1

Simple behavior under all conditions of real gas is governed by the equation

A

B

C

D
Question 5
4 / -1

A
11 g

B
22 g

C
33 g

D
44 g

Solution
Question 6
4 / -1

If the molecular weight of two gases are M₁ and M₂, then at a temperature the ratio of root mean square velocity v₁ and v₂ will be

A

B

C

D

Solution
Question 7
4 / -1

To what temperature should the hydrogen at 327°C be cooled at constant pressure, so that the root mean square velocity of its molecules becomes half of its previous value

A
–123°C

B
123°C

C
–100° C

D
0°C

Solution
Question 8
4 / -1

The r.m.s. speed of the molecules of a gas at a pressure 10⁵ Pa and temperature 0°C is 0.5 km sec^–1. If the pressure is kept constant but temperature is raised to 819°C, the velocity will become

A
1.5 km s^–1

B
2 km s^–1

C
5 km s^–1

D
1 km s^–1

Solution
Question 9
4 / -1

At constant volume, temperature is increased. Then

A
Collision on walls will be less

B
Number of collisions per unit time will increase

C
Collisions will be in straight lines

D
Collisions will not change
Question 10
4 / -1

When temperature of an ideal gas is increased from 27°C to 227°C, its r.m.s. speed changed from 400 m/s to V_s. The V_s is

A
516 m/s

B
450 m/s

C
310 m/s

D
746 m/s

Solution