Kinetic Theory Test

Question 1
1 / -0

28gm of $$N_2$$ gas is contained in a flask at a pressure of 10atm and at a temperature of 57$$^{0}$$C. It is found that due to leakage in the flask, the pressure is reduced to half and the temperature reduced to 27$$^{0}$$C. The quantity of N$$_{2}$$ gas that leaked out is

A
$$\frac{5}{63}gm$$

B
$$\frac{63}{5}gm$$

C
$$\frac{11}{20}gm$$

D
$$\frac{20}{11}gm$$

Question 2
1 / -0

$$Assertion$$: gases are characterised with two coefficients of expansion
$$Reason$$: when heated both volume and pressure increase with the rise in temperature

A
Both assertion (A) and reason (R) are correct and R gives the correct explanation

B
Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

C
A is true but R is false

D
A is false but R is true

Question 3
1 / -0

Assertion: Gasses obey Boyle's law at high temperature and low pressure only.
Reason: At low pressure and high temperature, gasses would behave like ideal gases.

A
Both assertion (A) and reason (R) are correct and R gives the correct explanation

B
Both assertion (A) and reason (R) are correct but R does give the correct explanation

C
A is true but R is false

D
A is false but R is true

Question 4
1 / -0

Follwing operation are carried out on a sample of ideal gas initially at pressure P volume V and kelvin temperature T.
a) At constant volume, the pressure is increased fourfold.
b) At constant pressure, the volume is doubled
c) The volume is doubled and pressure halved.
d) If heated in a vessel open to atmosphere, one-fourth of the gas escapes from the vessel.
Arrange the above operations in the increasing order of final temperature.

A
a,b,c,d

B
c,b,a,d

C
b,a,d,c

D
c,d,b,a

Question 5
1 / -0

PV = n RT holds good for :
a) Isobaric process b) Isochoric process
c) Isothermal process d) Adiabatic process

A
a & b

B
a,b & c

C
a,b & d

D
all

Question 6
1 / -0

Assertion: In Joules bulb apparatus, as reservoir is moved up, the mercury level raises into the bulb.
Reason: The pressure on the enclosed gas increases.

A
Both assertion (A) and reason (R) are correct and R gives the correct explanation

B
Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

C
A is true but R is false

D
A is false but R is true

Question 7
1 / -0

Assertion:With increase in temperature, the pressure of given gas increases
Reason:Increase in temperature causes decrease in no. of collision of molecules with walls of container.

A
Both assertion (A) and reason (R) are correct and R gives the correct explanation

B
Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

C
A is true but R is false

D
A is false but R is true

Question 8
1 / -0

According to kinetic theory of gasses at Zero kelvin
a) Pressure of ideal gas is zero
b) Volume of ideal gas is zero
c) Internal energy of ideal gas is zero
d) Matter exists in gaseous state only

A
a & d are true

B
a,b & d are true

C
a,b & c are true

D
All are true

Question 9
1 / -0

Which of the following processes will quadruple the pressure
a) Reduce V to half and double T
b) Reduce V to 1/8th and reduce T to half
c) Double V and half T
d) Increase both V and T to double the values

A
b,c

B
a,b

C
c,d

D
a,d.

Question 10
1 / -0

Assertion:PV/T=constant for 1 mole of gas. This constant is same for all gases.
Reason:1 mole of different gases at NTP occupy same volume of 22.4 litres.

A
Both assertion (A) and reason (R) are correct and R gives the correct explanation

B
Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

C
A is true but R is false

D
A is false but R is true

Submit Test

Kinetic Theory ...

Question 1

$$\frac{5}{63}gm$$

$$\frac{63}{5}gm$$

$$\frac{11}{20}gm$$

$$\frac{20}{11}gm$$

Question 2

Both assertion (A) and reason (R) are correct and R gives the correct explanation

Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

A is true but R is false

A is false but R is true

Question 3

Both assertion (A) and reason (R) are correct and R gives the correct explanation

Both assertion (A) and reason (R) are correct but R does give the correct explanation

A is true but R is false

A is false but R is true

Question 4

a,b,c,d

c,b,a,d

b,a,d,c

c,d,b,a

Question 5

a & b

a,b & c

a,b & d

all

Question 6

Both assertion (A) and reason (R) are correct and R gives the correct explanation

Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

A is true but R is false

A is false but R is true

Question 7

Both assertion (A) and reason (R) are correct and R gives the correct explanation

Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

A is true but R is false

A is false but R is true

Question 8

a & d are true

a,b & d are true

a,b & c are true

All are true

Question 9

b,c

a,b

c,d

a,d.

Question 10

Both assertion (A) and reason (R) are correct and R gives the correct explanation

Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

A is true but R is false

A is false but R is true

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