States of Matter PYQs - Last 5 Years

TS EAMCET / Chemistry / Physical Chemistry / 28 recent questions

ChemistryPhysical Chemistry2021-2025

All States of Matter PYQs Last 10 Years Create chapter test

Practice 28 TS EAMCET Chemistry questions from States of Matter. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

28

PYQs on Page

Chemistry / Physical Chemistry

2022-2025

Year Range

Based on indexed question metadata

28

Last 5 Years

2021-2025

28

Last 10 Years

2016-2025

Recent Year Trend

2022

2023

2024

2025

202211 max PYQs/year2025

Question Types

28PYQs

MCQ100%

Difficulty Mix

#1 Unknown28

28 in last 5 years28 in last 10 years

Last 5 Years States of Matter Questions

Showing 28 of 28 filtered questions.

1States Of Matter

The force $(F)$ required to maintain the flow of layers of a liquid is equal to
( $A=$ area of contact of layers
$d z=$ distance between the layers
$d u=$ change in velocity
$\eta=$ coefficient of viscosity)

2States Of Matter

The isobars of one mole of an ideal gas were obtained at three different pressure ( $p_1, p_2$ and $p_3$ ). The slopes of these isobars are $m_1, m_2$ and $m_3$ respectively. If $p_1 < p_2 < p_3$, then the correct relation of the slopes is

3States Of Matter

At $T(\mathrm{~K})$ root mean square (rms) velocity of argon (molar mass $40 \mathrm{~g} \mathrm{~mol}^{-1}$ ) is $20 \mathrm{~ms}^{-1}$. The average kinetic energy of the same gas at $T(\mathrm{~K})$ (in $\mathrm{J} \mathrm{mol}^{-1}$ ) is...

4States Of Matter

At 298 K , a flask ' $A$ ' of unknown volume $(V)$ contains oxygen at 5 atm . Another flask ' $B$ ' of volume 2 L contains helium at 3 atm . Two flasks are connected together by a small tube of zero volume. After the two gases are completel...

5States Of Matter

The RMS velocity of dihydrogen is $\sqrt{7}$ times more than that of dinitrogen. If $T_{\mathrm{H}_2}$ and $T_{\mathrm{N}_2}$ are the temperatures of dihydrogen and dinitrogen, then the correct relationship between them is

6States Of Matter

Two vessels are filled with ideal gases $A$ and $B$ and are connected through a pipe of zero volume as shown in figure. The stop cock is opened and the gases are allowed to mix homogeneously and the temperature is
kept constant. The partial...

7States Of Matter

An open vessel containing air was heated from $27^{\circ} \mathrm{C}$ to $727^{\circ} \mathrm{C}$. Some air was expelled. What is the fraction of air remaining in the vessel ? (Assume air as an ideal gas.)

8States Of Matter

If the density of a mixture of nitrogen and oxygen gases at 400 K and l atm pressure is $0.920 \mathrm{gL}^{-1}$, what is the mole fraction of nitrogen in the mixture?
( $R=0.082 \mathrm{~L} \mathrm{~atm} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}...

9States Of Matter

At what temperature will the RMS velocity of sulphur dioxide molecules at 400 K be the same as the most probable velocity of oxygen molecules?

10States Of Matter

At 400 K , an ideal gas is enclosed in a $0.5 \mathrm{~m}^3$ vessel at pressure of 203 kPa . What is the change in temperature required (in K ), if it occupies a volume of $0.2 \mathrm{~m}^3$ under a pressure of 304 kPa ? (Nearest interger)

11States Of Matter

The variation of volume of an ideal gas with its number of moles $(n)$ is obtained as a graph at 300 K and 1 atm pressure. What is the slope of the graph ?

12States Of Matter

The rate of diffusion of a gas $A$ is $\sqrt{5}$ times more than that of gas $B$. If the molar mass of $A$ is $x \mathrm{~g} \mathrm{~mol}^{-1}$, the molar mass of $B$ (in $\mathrm{g} \mathrm{mol}^{-1}$ ) is

13States Of Matter

Two containers $A$ and $B$ contain $\mathrm{CO}_2$ gas. Pressure, volume and absolute temperature of the gas in $A$ are 4 times more compared to that in $B$. The mass of the gas in $B$ is $x \mathrm{~g}$, then the mass of the gas in $A$ wil...

14States Of Matter

The ratio of rates of diffusion of gases $X$ and $Y$ of molecular weights 36 and 64 is

15States Of Matter

4 g of an ideal gas $A$ (molar mass $=M_A$ ) present in a vessel of volume $V$ litre exerted a pressure of 5 atm at 300 K . When 16 g of another ideal gas $B$(molar mass $=M_B$ ) was introduced into this vessel at the same temperature, its ...

16States Of Matter

At 300 K and 760 torr pressure, the density of a mixture of He and $\mathrm{O}_2$ gases is $0.543 \mathrm{gL}^{-1}$. The mass percent of oxygen approximately is

$$
\left(R=0.0821 \mathrm{~L} \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1...

17States Of Matter

Certain volume of oxygen gas diffuses through a porous pot in 20 seconds. Same volume of another gas, $X$ diffuses in $Y$ seconds as that of oxygen, then $X$ and $Y$ respectively are

18States Of Matter

The rate of diffusion of methane at 1.0 atm pressure is twice than that of another gas ' $X$ ' kept at 1.45 atm . The molecular mass of the gas ' $X$ ' is

19States Of Matter

Which of the following gases has the maximum van der Waals' constant ' $a$ '?

20States Of Matter

1 L closed flask contains a mixture of 4 g of methane and 4.4 g of carbon dioxide. The pressure inside the flask at $27^{\circ} \mathrm{C}$ is
[assume ideal behaviour of gases].

21States Of Matter

1 mole of a real gas is kept at high pressure of 100 bar at 300 K . If van der Waals' constant $b$ is $0.005 \mathrm{~L} / \mathrm{mol}$, what are the values of compressibility factor $Z$ of the gas and \% deviation of volume from ideality?

22States Of Matter

A plot of the compressibility factor $(z)$ vs $p$ is shown below for $\mathrm{H}_2, \mathrm{He}, \mathrm{N}_2, \mathrm{CO}_2$ and $\mathrm{SO}_2$. Identify the plot for $\mathrm{CO}_2$ gas.

23States Of Matter

The compressibility factor $(\mathrm{Z})$ is lower for $\mathrm{NH}_3$ and $\mathrm{CO}_2$ gases than that of $\mathrm{N}_2$ gas because

24States Of Matter

The compressibility factor of a real gas at high pressure is

25States Of Matter

Gases deviate from ideal behaviour at high pressures because the gas molecules

26States Of Matter

According to kinetic molecular theory of gases, which of the following statements are correct?
(A) The actual volume of the molecules is negligible in comparison to the empty space between them.
(B) Collisions of gas molecules are inelastic...

27States Of Matter

A gaseous mixture of 2 moles of $A, 3$ moles of $B$, 5 moles of $C$ and 10 moles of $D$ is contained is contained in a vessel. Assuming that gases are ideal and partial pressure of $C$ is 1.5 atm , the total pressure is

28States Of Matter

Dipole-induced dipole interactions are present between which of the following pairs?