States of Matter Test

Result

States of Matter Test - 11

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Two gas cylinders having same capacity have been filled with 44 g of H₂ and 44 g of CO₂, respectively. If the pressure in CO₂ cylinder is 1 atm at a particular temperature, then the pressure in the hydrogen cylinder at the same temperature is

A
2 atm

B
1 atm

C
22 atm

D
44 atm

Solution
Question 2
4 / -1

A
larger mean free path for Xas a compared to that of Y

B
larger mean free path for Y as compared to that of X

C
increased collision frequency of Ywith the inert gas as compared to that of X with the inert gas

D
increased collision frequency of X with the inert gas as compared to that of Y with the inert gas

Solution
Question 3
4 / -1

Two gases X (molecular weight M_x) and Y (molecular weight M_y ; M_y > M_x) are at the same temperature T in two different containers. Their root mean square velocities are C_x and C_y, respectively. If the average kinetic energies per molecule of two gases X and Y are E_x and E_y respectively, then which of the following relation(s) is/are true?

A
E_x > E_y

B
C_x = C_y

C
E_x = E_y = ( 3/2 ) RT

D
E_x = E_y = ( 3/2 ) k_B T
Question 4
4 / -1

The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is

A
1.086 : 1

B
1 : 1.086

C
2 : 1.086

D
1.086 : 2
Question 5
4 / -1

Gases deviate from the ideal gas behaviour because their molecules

A
possess negligible volume

B
have forces of attraction between them

C
are polyatomic

D
are not attracted to one another
Question 6
4 / -1

In the ideal gas equation, the gas constant R has the dimensions of

A
mole-atm/degree K

B
litre mole

C
litre-atm/degree K/mole

D
erg/degree K
Question 7
4 / -1

Helium atom is two times heavier than a hydrogen molecule at 298 K, the average kinetic energy of helium is

A
two times that of a hydrogen molecule

B
same as that of a hydrogen molecule

C
four times that of a hydrogen molecule

D
half that of a hydrogen molecule
Question 8
4 / -1

If a gas is expanded at constant temperature

A
the pressure increases

B
the kinetic energy of the molecules remains the same

C
the kinetic energy of the molecules decreases

D
the number of molecules of the gas increases
Question 9
4 / -1

In the equation PV = nRT, which one cannot be the numerical value of R?

A

B

C

D
Question 10
4 / -1

If P, V, M, T and R are pressure, volume, molar mass, temperature and gas constant respectively, then for an ideal gas, the density is given by

A

B

C

D

Solution