Differences between Solids, Liquids, Gases

Q.

State four characteristics of gas.

Q.

Write an experiment that shows that air occupies space.

Q. is the length from the elbow to the fingertip and was used in ancient Egypt to measure length.

1. Yard
2. Cubit
3. Foot

Q.

Give two reasons for saying that wood is a solid.

Q. is highly incompressible and is highly compressible.

1. Solid
2. Liquid
3. Gas
4. Honey

Q.

The amount of space enclosed within a container is known as _______.

1. Volume
2. Liter
3. Mass
4. Density

Q. A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be broken into small particles by hammering. Which characteristic of the matter illustrate the observation

Q.

Ice is …….. state of matter.

Q.

Liquids and gases are called fluids. In what ways do they differ from each other

Q.

What does a solid have?

Q.

In a tabular form, write five differences between solids, liquids and gases.

Q.

Which of the following statements is not correct for fluids?

1. They can flow

2. They have definite shape

3. They have mass

4. They have definite volume

Q.

Is liquid denser than water?

Q.

_______ have a fixed shape and volume.

Q. Which of the following statements is correct?

1. Solids neither have a definite shape nor definite volume.

2. Liquids have fixed shape.

3. Solids are highly compressible.

4. Gases are highly compressible

Q. Assertion :Gases do not have free surfaces. Reason: Molecules of a gas move randomly in all directions.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Assertion is incorrect but Reason is correct

Q. The state of matter having definite shape and volume:

1. Solid
2. Liquid
3. Plasma
4. Gas

Q.

Do gases have fixed shape and size? Give reason.

Q.

How will you justify that air occupies a space?

Q. Why can't solids be compressed?

1. The inter-particle attractive forces are very weak
2. The movement of the constituent particles are not restricted
3. The constituent particles are closely packed
4. None of the above

Q.

The SI unit of volume is litre.

1. True
2. False

Q. Assertion :On heating, a solid usually changes to a liquid and the liquid on further heating changes to the gaseous state. Reason: Arrangement of constituent particles is different in solid, liquid and gaseous state.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

A few substances are arranged in the increasing order of forces of attraction between their constituent particles.
Which of the following represents the correct order of arrangement?

1. Water, air , wind

2. Air, sugar, oil

3. Oxygen, water, piece of iron

4. Salt, juice, air

Q. Write scientific reason:
A solid matter has the properties of definite shape and volume.

Q.

Gases have neither definite volume nor definite shape. Why?

Q.

Write the correct statement:

Solids have a definite volume, because its molecules are free to move about.

Q.

Name the state of matter that :
(i) Has definite mass, volume and shape.

(ii) Has maximum inter particles attraction

Q.

Choose the correct option and fill in the blanks

(4). In soIids, molecules are ____________[closely/ loosely] packed.

Q. Liquids generally have _______ density than solids.

1. same
2. Can't say
3. higher
4. lower

Q.

Describe comparison of densities in the three states of matter.