Properties of Gases

Q.

Expansion coefficient of pyrex glass is much more than that of ordinary glass.

1. True
2. False

Q.

Which of the option given below is not correct?

1. Gases diffuse very fast into other gases.

2. Gas particles move faster at high temperature.

3. Gases are highly rigid.

4. Gases occupy far more space than solids and liquids.

Q. Which gas having greater volume Real or ideal ?

Q.

Which of the following best describes gases?

1. No definite volume and no definite shape
2. Definite shape and volume
3. Definite volume but no definite shape
4. Definite shape but no definite volume

Q.

A gas exerts pressure on the walls of the container. Identify the correct reason for the same.

1. Gaseous particles are at fixed positions

2. Gaseous particles have large space between them

3. Gaseous particles move randomly and frequently collide with walls

4. Gaseous particles have large attractive forces between them

Q. Gas have definite volume and definite shape.

1. False
2. True

Q.

Which of the following occupies more volume for the same number of particles?

1. Solid

2. Liquid

3. Gas

4. Both gases and liquids occupy the same space.

Q. Due to which of the following property of gases, large volumes of CNG can be filled in small cylinders easily?

1. Compressibility
2. Inflammability
3. Fixed shape
4. High density