Which of the following is equal to –12°C temperature

If 50cm3 of a gas in a syringe at 15°C is heated to 50°C and the piston of syringe is

allowed to move outwards against constant atmospheric pressure, the new volume ofthe hot gas will be _______

Select the correct formula for determination of molecular mass from ideal equation(W and m are used for mass of gas)

At 17°C, a sample of H2 gas occupies 125cm3. What would be the volume at 307°C by keeping pressure constant

Volume of a gas at STP is 10 dm3, at what temperature its volume will become

30dm3, keeping pressure constant

A real gas behaves ideally at

At constant temperature volume of the given mass of a gas is directly proportional

to the inverse of pressure exerted on it, is called

If temperature and pressure of 4dm3 of hydrogen is reduce to half, then new volumeof gas will be

Which of the following is more ideal gas at 100 C temperature and constant

pressure?

Density of gas will increase with

For a given mass with initial volume ‘V’, if pressure is reduced to one half and

absolute temperature is increased two times. The volume will become

Gases are considered to be composed of minute discrete particles called

Which of the following types of motions are present in triatomic molecule?

The molecules of which gas has highest average kinetic energy at 25°C

CO2 will show more non-ideal behaviour at

Critical temperature of O2, N2, H2 and CO2 are –118.8°C, –147.1°C, –239.9°C and

31.1°C respectively. Which gas among following is most ideal

The molar volume of N2 is maximum at

Which of the following does not favors the increasing of vapor pressure?

Water has high heat of vaporization due to extensive _______

Factor on which evaporation depends but vapour pressure does not

Which of the following is true?

Ice is less dense than water at

Acetone and chloroform are soluble in each other due to

NH3 show a maximum boiling point among hydride of VA group elements due to

The liquid which has maximum rate of evaporation at same temperature.

When the external pressure is increased from 23.7 torr to 700 torr, the boiling point

of water increases from.

The substance that contains London dispersion forces only

The hexagonal type empty spaces are present in the structure of ice. This is due to

hydrogen bonding present between______ atom of one water molecule and________atom of other water molecule

In which of the following pairs of liquids, the first liquid has higher vapour pressure

than the other liquid at the same temperature with the different surface area

Which one of the following arrangements usually represents the correct order of

increasing strength?

At boiling point of a liquid, its vapour pressure becomes

Which of the following is pseudo solid?

Which of the following factors affect the shape of an ionic solid

To form a crystal lattice of NaCl, each Na+ion is surrounded by

The amount of energy released when gaseous ions of opposite charges combine to give one mole of a crystalline ionic compound is known as

The existence of an element in different crystalline forms is called

The molecules of I2

The molecules of sucrose form the

A. B.

C. D.

Which of the following is non-polar molecular solid with strongest intermolecular

forces?

Molecular solids have

Type of attractive forces in dry ice

Which of the following statements is correct about ionic solids?

The corner located Na+ ion in the unit cell of NaCl is shared among ______ unit cells

I – I bond distance in crystal of iodine is

Which of the following are generally poor conductors of electricity?

Crystalline solids in which the particles forming the crystals are positively and

negatively charged ions are called `

The ratio between increase in volume with rise of temperature as suggested by

Charles’s law:

According to kinetic molecular theory, average speed of gas molecules and

molecular mass of gas have _______ relationship