Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 45

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Weekly Quiz Competition

Question 1
4 / -1

To double the volume of a given mass of an ideal gas at 27°C keeping the pressure constant, one must raise the temperature in degree centigrade to

A
54°

B
270°

C
327°

D
600°

Solution
Question 2
4 / -1

Which of the following statements about kinetic theory of gases is wrong?

A
The molecules of a gas are in continuous random motion

B
The molecules continuously undergo inelastic collisions

C
The molecules do not interact with each other except during collisions

D
The collisions amongst the molecules are of short duration
Question 3
4 / -1

If a van der-Waal\'s gas expands freely, then final temperature is

A
Less than the initial temperature

B
Equal to the initial temperature

C
More than the initial temperature

D
Less or more than the initial temperature depending on the nature of the gas
Question 4
4 / -1

Air is pumped into an automobile tube upto a pressure of 200 kPa in the morning, when the air temperature is 22°C. During the day, temperature rises to 42°C and the tube expands by 2%. The pressure of the air in the tube at this temperature, will be approximately

A
212 kPa

B
209 kPa

C
206 kPa

D
200 kPa

Solution
Question 5
4 / -1

The relationship between pressure and the density of a gas expressed by Boyle\'s law, P = KD holds true

A
For any gas under any conditions

B
For some gases under any conditions

C
Only if the temperature is kept constant

D
Only if the density is constant

Solution
Question 6
4 / -1

On 0°C pressure measured by barometer is 760 mm.What will be pressure at 100°C

A
760 mm

B
730 mm

C
780 mm

D
None of these

Solution
Question 7
4 / -1

A perfect gas at 27°C is heated at constant pressure to 327°C. If original volume of gas at 27°C is V, then volume at 327°C, is

A
V

B
3V

C
2V

D
V/2

Solution
Question 8
4 / -1

Hydrogen gas is filled in a balloon at 20°C. If temperature is made 40°C, pressure remaining same, what fraction of Hydrogen will come out

A
0.07

B
0.25

C
0.5

D
0.75

Solution
Question 9
4 / -1

Which law states that effect of pressure is same for all portions

A
Pascal's law

B
Gay Lussac's law

C
Dalton's law

D
None of these
Question 10
4 / -1

The equation for an ideal gas is PV = RT, where V represents the volume of

A
1 g gas

B
Any mass of the gas

C
1 g mol gas

D
1 litre gas