Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 22

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Weekly Quiz Competition

Question 1
4 / -1

The gas in vessel is subjected to a pressure of 20 atmosphere at a temperature 27°C. The pressure of the gas in a vessel after on half of the gas is released from the vessel and the temperature of the remainder is raised by 50°C is

A
8.5 atm

B
10.8 atm

C
11.7 atm

D
17 atm

Solution
Question 2
4 / -1

A
Number of molecules

B
Atomic number

C
Mass number

D
Number of moles
Question 3
4 / -1

A gas at 27°C has a volume V and pressure P. On heating its pressure is doubled and volume becomes three times. The resulting temperature of the gas will be

A
1800°C

B
162°C

C
1527°C

D
600°C

Solution
Question 4
4 / -1

The pressure and temperature of two different gases is P and T having the volume V for each. They are mixed keeping the same volume and temperature, the pressure of the mixture be

A
P/2

B
P

C
2P

D
4P

Solution
Question 5
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

Solution
Question 6
4 / -1

The value of critical temperature in terms of van der Waal\'s constant a and b is

A

B

C

D

Solution
Question 7
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 8
4 / -1

Two thermally insulated vessels 1 and 2 are filled with air at temperatures (T₁, T₂) volume (V₁, V₂) and pressure (P₁, P₂) respectively, If the valve, joining the two vessels is opened, the temperature inside the vessel at equilibrium will be

A

B

C

D

Solution
Question 9
4 / -1

An air bubble of volume 1.0 cm³ rises from the bottom of a lake 40 m deep at a temperature of 12°C. The volume of the bubble when it reaches the surface, which is at a temperature of 35°C, will be

A
5.4 cm³

B
4.9 cm³

C
2.0 cm³

D
10.0 cm³

Solution
Question 10
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