Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 48

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Weekly Quiz Competition

Question 1
4 / -1

A gas at 27°C temperature and 30 atmospheric pressure is allowed to expand to the atmospheric pressure. If the volume becomes 10 times its initial volume, then thefinal temperature becomes

A
100°C

B
173°C

C
273°C

D
–173 °C

Solution
Question 2
4 / -1

When volume of system is increased two times and temperature is decreased half of its initial temperature, then pressure becomes

A
2 times

B
4 times

C
1/4 times

D
1/2 times

Solution
Question 3
4 / -1

A
Number of molecules

B
Atomic number

C
Mass number

D
Number of moles
Question 4
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 willbe

A
1800°C

B
162°C

C
1527°C

D
600°C

Solution
Question 5
4 / -1

A
Both a and b represent correction in volume

B
Both a and b represent adhesive force between molecules

C
a represents adhesive force between molecules and b correction in volume

D
a represents correction in volume and b represents adhesive force between molecules

Solution
Question 6
4 / -1

The equation of state for 5 g of oxygen at a pressure P and temperature T, when occupying a volume V, will be
(Where R is the gas constant)

A
PV = (5/32)RT

B
PV = 5RT

C
PV = (5/2)RT

D
PV = (5/16 )RT

Solution
Question 7
4 / -1

O₂ gas is filled in a vessel. If pressure is doubled, temperature becomes four times, how many times its density will becomes

A
2

B
4

C
1/4

D
1/2

Solution
Question 8
4 / -1

Two balloons are filled, one with pure He gas and the other by air, respectively. If the pressure and temperature of these balloons are same, then the number of molecules per unit volume is

A
More in the He filled balloon

B
Same in both balloons

C
More in air filled balloon

D
In the ratio of 1 : 4

Solution
Question 9
4 / -1

Three containers of the same volume contain three different gases. The masses of the molecules are m₁, m₂ and m₃ and the number of molecules in their respective containers are N₁, N₂ and N₃. The gas pressure in the containers are P₁, P₂ and P₃ respectively. All the gases are now mixed and put in one of the containers. The pressure P of mixture will be

A

B

C

D

Solution
Question 10
4 / -1

At a given volume and temperature, the pressure of a gas

A
Varies inversely as its mass

B
Varies inversely as the square of its mass

C
Varies linearly as its mass

D
Is independent of its mass

Solution