Question # 1

Liquids are less common than

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Solids

Plasmas

Gases

All of above

Which of the following is the simplest form of matter?

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Gaseous state

Liquid State

Solid State

All of above

If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of gas will :

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remain unchanged

increase four times

reduce to 1/4

be doubled

The deviation of a gas from ideal behavior is maximum at :

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-10°C and 5.0 atm

-10°C and 2.0 atm

100°C and 2.0 atm

0°C and 2.0 atm

The graph between pressure and volume at constant temperature for a gas is

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Isobaric

Isothermal

Isotherm

None of above

Absolute temperature of a gas is proportional to

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Rotational kinetic energy

Translational kinetic energy

Vibrational kinetic energy

Potential energy

A graph between P and PV at constant temperature and number of mole is parallel to

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y axis

z axis

x axis

pressure axis

If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of the gas will be

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Remain unchanged

Doubled

Reduced

Increased four times

In Boyle's law which of the following pair remains constant

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Temperature and quality of a gas

Pressure and quality of a gas

Temperature and pressure

Temperature and quantity of a gas

The density of a gas is directly and volume at constant temperature for a gas is

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Isobaric

Isothermal

Isotherm

None of above

According to Boyle's law, which parameters give a straight line parallel to axis-s, when we plot a graph between:

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V and T

P and V

P and 1/V

P and PV

For a gas obeying Boyle's law if pressure is doubled, the volume becomes

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Remains constant

Double

One half

None of above

Gases exert pressure on walls of container because the gas molecules :

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Obey gas laws.

Have definite volume.

Collide with the walls of container.

Collide with each other.

Liquids are less common than :

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Solids

Plasmas

Gases

All of above

A graph b/w P and 1/V at constant temperature and number of moles is parallel to :

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Y-axis

Z-axis

X-axis

None of above

For a gas obeying Boyle's law if pressure is doubled, the volume becomes :

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Remain constant

Double

One half

None of above

The movement of gas molecules from a region of high pressure to vacuum is called

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Evaportation

Effusion

Conduction

Diffusion

The intramolecular forces in gases are

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Weak

Normal

Very weak

Strong

In Boyle's law which of the following pair is variable :

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Temperature and quantity of a gas.

Pressure and volume

Volume and quantity of a gas.

Pressure and quantity of a gas.

Which of the following is the simplest form of matter?

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Gaseous state

Liquid state

Solid state

All of above

Gases deviate from ideal behavior at high pressure. Which of the following is correct for non-ideality ?

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At high pressure, the gas molecules move in one direction only.

At high pressure, the collisions between the gas molecules are increased manifold.

At high pressure, the volume of gas becomes insignificant.

At high pressure, the inter molecular attraction become significant.

According to Boyle's law. which parameters give a straight line parallel to x-axis, when we plot a graph between

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V and T

P and V

P and 1/V

P and PV

The rate of diffusion of a gas in

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Inversely proportional to its density

Inversely proportional to square root of its molecular mass

Directly proportional to molecular mass

Directly proportional to its density

Which statement about gases is not correct ?

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The spread throughout the vessel.

Pressure is due to collision

There are large spaces between the molecules.

molecules are arranged regularly.

Which of the following will have the same number of molecules at STP ?

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280 CM³ of CO² and 280 CM³ of N₂O

11.2 dm3 of O₂ and 32 g of O₂

44 g of CO₂ and 11.2 dm³ of CO

28 g of N2 and 5.6 dm³ of oxygen

A graph b/w P and 1/V at constant temperature and number of moles is parallel to :

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Y-axis

Z-axis

X-axis

None of above

Pressure remaining constant, at which temperature volume of gas will become twice of what it is at 0°C ?

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546

200

546K

273K

Which Statement about gases is not correct?

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They spread throughout the vessel

Pressure is due to collision

There are larger spaces between the molecules

Molecules are arranged regularly

Boyle's law does not fall even

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Temperature is extremely high

Pressure is extremely high

Mixture of gases is taken

all of above

Gases shows uniform behavior toward their :

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Internal conditions

External conditions

Internal and external conditions

None of above

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