NEET Chemistry MCQs States of Matter

MCQ On States of Matter NEET

The States of Matter is one of the fundamental concepts of Chemistry. Being an introductory chapter, you will be exposed to a lot of topics and related concepts after you go through it. 

This makes it an important chapter for NEET as well, and you can expect several questions from it. To gain an insight into the structuring of states of matter questions, refer to sample papers and previous years NEET papers.

The NEET chemistry MCQ on states of matter will help you become familiar with the question pattern and will also boost your confidence about the same. 

With that being said, let us check some states of matter class 11 objective questions below!

MCQ On States of Matter

These following are some MCQs based on States of Matter, take a look at them to analyse your familiarity with the concepts covered in them.

  1. Vander Waals’ equation reduces to _________ at high pressure.

  1. PV=RT + a/v

  2. PV = RT+ Pb

  3. PV = RT

  4. PV = RT – a/V2

  1. _________ is the Joule-Thomson coefficient for an ideal gas.

  1. 0

  2. +ve

  3. –ve

  4. None of these.

  1. Which of these is the unit of constant ‘a’ in Vander Waals’ equation?

  1. dyne cm4 mol-2

  2. Newton m4 mol-2

  3. atm litre2 mol-2 

  4. All of  these

  1. Which of these is the unit of constant ‘b’ in Vander Waals’ equation?

  1. cm3 mol-1

  2. m3 mol-1

  3. litre mol-1

  4. all of these

  1. Beans cook faster in a pressure cooker because:

  1. The extra pressure softens the beans.

  2. When pressure increases, the boiling point also increases.

  3. When pressure increases boiling point decreases.

  4. Internal energy does not get lost while cooking.

  1. Which of these is the reason why an ideal gas does not liquefy?

  1. Its molecules are smaller in size.

  2. There is a negligible force between its molecules.

  3. It solidifies.

  4. Its temperature is above 0°.

  1. _________________ makes carbon dioxide obey the ideal gas laws.

  1. High temperature and low pressure

  2. Low temperature and a high pressure

  3. High temperature and a high pressure

  4. Low temperature and low pressure

  1. All gases except He and H2 exhibit __________ at a lower temperature.

  1. Positive deviation

  2. Positive deviation and negative deviation

  3. Negative deviation

  4. None of these

  1. The Vander Waals’ force in hydrogen and helium are ________.

  1. Very strong.

  2. Strong.

  3. Weak.

  4. None of these.

  1. What happens to the mean free path with an increase in pressure?

  1. Increases.

  2. Decreases.

  3. Remains the same.

  4. Becomes zero.

  1. When ____ is passed through diluted blood, it imparts a cherry-red colour to it.

  1. CO

  2. NH3

  3. CO2

  4. COCl2

  1. Which of these is the partial pressure of dry gas?

  1. Equivalent to the partial pressure of the wet gas.

  2. Lesser than the wet gas.

  3. Greater than the wet gas.

  4. None of these.

  1. 1 ml of gas at STP has ______ number of molecules.

  1. equivalent to 2.617 x 1019 / mL

  2. Loschmidt’s number.

  3. ‘a’ and ‘b’.

  4. none of these.

  1. ‘Air at sea level is dense.’ – It is a practical application of _________.

  1. Charles’ Law.

  2. Dalton’s Law.

  3. Boyle’s Law.

  4. Avogadro’s Law.

  1. When 600 cc of gas is compressed to 500 cc at a pressure of 750 mm. Given the temperature is kept constant, the pressure would increase by:

  1. 350 mm.

  2. 250 mm.

  3. 450 mm.

  4. 150 mm.

  1. ________ is the numerical value of Cp - Cv.

  1. R

  2. M/R

  3. R/M

  4. None of these

  1. Which of these is Vander Waals’ equation for a real gas?

  1. (P +a/V2) (V-b) = RT

  2. P=nRT/  V – nB – an2/ V2

  3. (P=n2a/V2) (V-nb) = nRt

  4. All of these

  1. _________ is the % of gas which remains in an open container when it is heated from 300 K to 400 K.

  1. 100%

  2. 75%

  3. 50%

  4. 25%

  1. Which of these will have the highest rate of diffusion, if they are in the same container and at the same temperature?

  1. 56g N2

  2. 4g H2

  3. 22g CO2

  4. 32g O2

  1. __________ can be readily liquefied when ‘a’ for NH3 is 4.17, SO2 is 6.71, CO2 is 3.59 and Cl2 is 6.49.

  1. CO2

  2. NH3

  3. Cl2

  4. SO

Check the answers for the above NEET Chemistry MCQ on states of matter.

Solutions of MCQ on States of Matter

1.b

2.a

3.d

4.d

5.b

6.b

7.a

8.c

9.c

10.b

10.b

11.a

12.b

14.c

15.d

16.a

17.d

18.b

19.b

20.d


NEET 2020 is almost here, and one can already feel the burgeoning pressure. However, instead of being worried about the entrance exam, you need to focus your energy on your revision schedule.

Also, make sure to include model papers like NEET chemistry MCQ on states of matter into your revision and practise them frequently. It will help you become more familiar with the format and will, in turn, help you to tackle states of matter exam questions more confidently. 

FAQ (Frequently Asked Questions)

1. What is the Gas Law? Name Three Gas Laws.

Ans. Laws which help to relate the pressure, temperature and volume of a gas are defined as gas laws. The 3 of the most important gas laws are - Boyle’s Law, Charles’ Law and Avogadro’s Law. 

2. What is the Kinetic Theory of Gas?

Ans. It is a model that is based on a simple molecular description of gas and helps to understand the properties of gases right at the molecular level.  It is based on a few concepts, including the one that states gases comprise particles which are always in random motion. 

3. What is Kinetic Energy? Provide Examples.

Ans. It is the energy which is closely associated with the movement of objects. Typically, an object’s kinetic energy is dependent on its mass and velocity, (wherein, the latter is more important).  Example: A moving aeroplane has a substantial kinetic energy because of its large mass and fast velocity.