Gas Laws Test

Result

Gas Laws Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following options correctly justifies the bursting of inflated balloon in direct sunlight?

A
The rubber of balloon melts in sunlight.

B
Volume of gas inside the balloon increases.

C
Pressure of gas inside the balloon increases.

D
Sunlight causes holes in the balloon.

Solution

Volume of the gas inside the balloon increases, which correctly justifies the bursting of the inflated balloon in direct sunlight.
Question 2
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One mole of a gas occupies a volume of 22.4 litres. This is derived from

A
Berzeliu\'s hypothesis

B
Gay-Lussac's law

C
Avogadro's law

D
Dalton's law

Solution

Avogadro's law states that under similar conditions of temperature and pressure, equal moles will occupy equal molecules. Actually, 1 mole of any gas at standard conditions (0^oC, 1 atm pressure) is found to occupy a volume of 22.4 litres. This volume is known as standard molar volume.
Question 3
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Which of the following options is not in accordance with kinetic molecular theory of gases?

A
A gas is composed of large number of molecules.

B
Gases have large intermolecular spaces between their molecules.

C
The molecules of gas lose kinetic energy on collision.

D
Kinetic energy of the molecules of gas increases with increase in temperature.

Solution

According to kinetic molecular theory of gases, molecules do not lose any kinetic energy when they collide with one another.
Question 4
1 / -0

What are the values of standard temperature and pressure of a gas?

A
0°C and 760 mm Hg

B
0 K and 1 atm

C
273 K and 760 atm

D
0°C and 760 atm

Solution

The respective values of standard temperature and pressure of a gas are 0°C and 760 mm Hg.
Question 5
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What is the relationship between Celsius and Kelvin scales of temperature?

A
K = °C + 273

B
K = °C – 273

C
K = °C + 1/273

D
K = °C × 273

Solution

The correct relationship between Celsius and Kelvin scales of temperature is K = °C + 273.