# States of Matter (Liquefaction of Gases) MCQs with FREE PDF

We have the best collection of Liquefaction of Gases MCQs and answer with FREE PDF. These Liquefaction of Gases MCQs will help you to prepare for any competitive exams like: NEET, AIIMS, JEE Mains, JEE Advance, IIT JEE, JIPMER and other Exams at all levels – you just have to practice regularly.

## Liquefaction of Gases MCQs

#### 1. A fluid is a _______________

a) gas

b) liquid

c) solid

d) both gas and liquid

Answer:  both gas and liquid

a) vapor

b) liquid

c) solid

d) plasma

#### 3. If the value of a is greater, what does it mean?

a) the gas liquefies easily

b) the gas cannot liquify easily

c) gas obeys ideal gas law

d) gas particles have random motion

Answer:  the gas liquefies easily

#### 4. Which of the following can be the value of “b” for Helium?

a) 23.71 x 10-6 m2/mol

b) 23.71 x 10-6 m3/mol

c) 23.71 x 10-6 m3 mol

d) 23.71 x 10-6 m/mol

Answer:  23.71 x 10-6 m3/mol

a) 7.59 m3

b) 7.03 m3

c) 76.09 m3

d) 7.09 m3

#### 6. In van der Waal’s equation, b is known as ______________

a) volume constant

b) pressure constant

c) volume correction

d) pressure correction

a) a/Rb

b) 27a/R

c) a/b

d) Ra/8b

#### 8. Which of The following is a critical temperature for Carbon dioxide?

d) 30.91 degree Kelvin

#### 9. Which of the following is Greater?

a) Boyle’s temperature

b) Boyle’s temperature = critical temperature

c) Critical temperature

d) Boyle’s temperature = 1/critical temperature

a) 8/27

b) 27/8

c) 8

d) 27