The internal energy of an ideal gas depends upon its:

NTS 2016 DUHS & JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which one is not related to evaporation?

NUMS 2015
Chemistry
Thermochemistry
States of Matter
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Gases behave ideal at

A crystal system having all sides (a, b and c) unequal and anglesα = β = γ= 90 is:

NUMS 2015
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The stability of ionic crystal depends principally on:

NTS 2014
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Acetone and Chloroform are soluble into each other due to:

NUMS 2015
Chemistry
Chemical Bonding
States of Matter
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Solid CO2 dry ice has a structure just like:

NUMS 2014
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A graph between volume and temperature gives a straight line which cuts the temperature axis at:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The Vander Waal’s constant ‘If of a gas Is four times the:

Comparative rates of diffusion of He and SO2 will be _______.

NTS 2012
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

What is the temperature at which the volume of gas is said to be zero?

NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which of the following pairs of gases have same rate of diffusion:

NTS 2017
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

1 atmospheric pressure is equal to

Matter changes from one state to another state on change in ___________.

NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Statement of Charles Law:

According to the general gas equation, density of an ideal gas depends upon:

PMC 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

950 torr corresponds to:

NTS 2010
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which of the following is constant during an isothermal process?

If we take some water at 0oC and start heating it,we find that in the temperature range 0oC to 4oC:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Choose the correct statement:

NUMS 2014
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Gases can be converted into liquid by:

When gases expand, this causes:

A solid melts sharply just above 100 degree centigrade. it does not conduct electricity even when molten. It has weak Vander waal’s forces. What is the structure of the solid most likely to be?

NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

1 liter of a gas weighs 2 g at 300 K and 1 atm pressure. If the pressure is made 0.75 atm, at which of the following temperatures will 1 L of the same gas weigh 1 g?

NTS 2017
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

When an element exists in more than one crystalline form, the phenomenon is termed as:

NTS 2010
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The crystals formed as a result of vander der Waals interactions are:

NTS 2010
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

If the matter in a given system at a given condition is divided into two equal parts, then the value of the extensive properties will become:

NTS 2011
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

When does a gas deviate the most from its ideal behavior ?

NTS 2010
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

At the transition temperature of a crystalline solid, the substance exists:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A child’s balloon has a volume 3.80 dm3, when the temperature is 35°C. If the balloon is put in a refrigerator and cooled to 5°c, the approximate volume of the balloon is (assume pressure inside the balloon is equal to atmospheric pressure):

NTS 2011
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Statement of Graham’s Law is

Liquid crystals are used for:

For a given mass of gas, if the pressure is reduced to half and its temperature is doubled, then volume V will become?

NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

What assumptions are made in the Kinetic Theory about an ideal gas?

There are no forces of attraction between molecules
the molecules are in a state of continuous random motion
the size of the molecule is negligible
NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

According to Charles Law, when temperature is reduced to half the volume will be

Pressure remaining constant, at which temperature volume of gas will become twice to the volume at 0 C?

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The expression PV = nRT represents the:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Diamond and Graphite:

NTS 2013
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

What is the volume in cm3 of 3.01 x 10^23 molecules of O2 gas at S.T.P.?

NTS 2017
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The Unit cell with crystallographic dimensions a = b ≠c ,α = β = γ = 90 degrees is:

NTS 2015 DUHS and JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

All the gasses at 212.44 cm3 have

The value of S.T.P for 1 mole of any ideal gas is:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The actual volume of gas molecules is considered negligible at following pressures:

PMC 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The compression factor (compressibility factor) for one mole of a Van der Waals gas at 0 and 100 atmosphere pressure is found to be 0.5. Assuming that the volume of gas molecule is negligible, calculate the Van der Waals constant ‘a’.

NUMS 2015
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Rate of effusion of a gas depends upon:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

When Gypsum is heated to about 100° C, it losses some water of crystallization and becomes:

NTS 2011
Chemistry
States of Matter – Gases, Liquids and Solids
s and p Block Elements
Elimination Tool:

Real gases deviate significantly from ideal gas behavior at

A sample of gas weighs 1.25 g, at 28 C occupying a volume of 2.50 x 10-2 ml and its pressure is 715 torr. What is the molar mass in grams?

NTS 2016 DUHS & JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

How many balloons of capacity 0.25dm3 at 1atm pressure can be filled from a hydrogen gas cylinder of 5dm3 capacity at 10 atm?

NUMS 2015
Chemistry
States of Matter – Gases, Liquids and Solids
States of Matter
Elimination Tool:

Which of the following substances has giant covalent structure?

PMC 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

2 gasses at SIP, with equal volume and equal pressure will have same a

Which of the following solids is an example of a substance with a macromolecular structure?

NUMS 2016
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Glass is a/an:

NTS 2014
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The unit of viscosity is:

NTS 2012
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Upon which factor is vapour pressure not dependent:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which of the following statements is true of Amorphous solids?

NTS 2011
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Real gases behave ideally at:

NTS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

CO2 and SO2 both are tri-atomic molecules but heat of vaporization of SO2 is greater than that of CO2 due to:

PMC 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which of the following gas is more ideal at STP?

NUMS 2015
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

An example of a solution not in equilibrium is:

NTS 2016 DUHS & JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Excluded volume is not equal to the actual volume of gas molecules and is represented by:

Half atmospheric pressure is:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Solid NaCl is a bad conductor of electricity because:

NUMS 2016
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool: