Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 47

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Weekly Quiz Competition

Question 1
4 / -1

A sample of an ideal gas occupies a volume V at a pressure P and absolute temperature T, the mass of each molecule is m. The expression for the density of gas is (k = Boltzmann\'s constant)

A
mkT

B
P/kT

C
P/kTV

D
Pm/kT

Solution
Question 2
4 / -1

The product of the pressure and volume of an ideal gas is

A
A constant

B
Approx. equal to the universal gas constant

C
Directly proportional to its temperature

D
Inversely proportional to its temperature

Solution
Question 3
4 / -1

A balloon contains 500 m³ of helium at 27°C and 1atmosphere pressure. The volume of the helium at –3°C temperature and 0.5 atmosphere pressure will be

A
500 m³

B
700 m³

C
900 m³

D
1000 m³

Solution
Question 4
4 / -1

A vessel contains 1 mole of O₂ gas (molar mass 32) at a temperature T. The pressure of the gas is P. An identical vessel containing one mole of He gas (molar mass 4) at temperature 2T has a pressure of

A
P/8

B
P

C
2P

D
8P

Solution
Question 5
4 / -1

1 mole of gas occupies a volume of 100 ml at 50 mm pressure. What is the volume occupied by two moles of gas at 100 mm pressure and at same temperature

A
50 ml

B
100 ml

C
200 ml

D
500 ml

Solution
Question 6
4 / -1

For ideal gas, which statement is not true

A
It obeys Boyle's law

B
It follows PV = RT

C
Internal energy depends on temperature only

D
It follows van der-Waal's equation
Question 7
4 / -1

A given mass of a gas is allowed to expand freely until its volume becomes double. If C_band C_a are the velocities of sound in this gas before and after expansion respectively, then C_a is equal to

A

B

C

D

Solution
Question 8
4 / -1

Kinetic theory of gases was put forward by

A
Einstein

B
Newton

C
Maxwell

D
Raman
Question 9
4 / -1

At 0°C the density of a fixed mass of gas divided by pressure is x. At 100°C, the ratio will be

A

B

C

D

Solution
Question 10
4 / -1

The molecular weight of a gas is 44. The volume occupied by 2.2 g of this gas at 0°C and 2 atm. pressure will be

A
0.56 litre

B
1.2 litres

C
2.4 litres

D
5.6 litres

Solution