Atomic View of the Three States of Matter

Q.

Explain

(a) diffusion in solids

(b) diffusion in liquid

(c) diffusion in gas

Q.

How does diffusion depend upon density?

Q.

On heating diffusion becomes faster. Why?

Q.

Explain diffusion phenomenon based on the state of matter

Q.

Why does diffusion become faster when substance is heated?

Q.

What is the relation between intermolecular spaces and diffusion

Q. Which of the following shows diffusion?
P: Smell of food
Q: Ink in water
R: Perfume in air

A) P
B) P and Q
C) R
D) P, Q, and R

Q. Diffusion of ink in water suggests that particles of matter attract each other.

1. True
2. False

Q.

_______ is a process of gradual mixing of two substances kept in contact with each other.

1. Diffusion

2. Compressibility

3. Condensation

4. None of the above

Q. In which of the following substances, the constituent particles are held together with the strongest force of attraction?

1. Chalk
2. Sponge
3. Rubber band
4. Iron nail

Q. Diffusion of ink in water suggests that particles of matter attract each other.

1. True
2. False

Q. Which of the following pair will exhibit diffusion?
(A) Salt and sugar
(B) Ink and water
(C) Sand and iron particles
(D) Salt and sand

Q. Liquids and gases attain the shape of the closed container in which they are kept.

1. False
2. True

Q. Liquids and gases attain the shape of the closed container in which they are kept.

1. False
2. True

Q.

What is diffusion

Q. 1) The smell of a perfume gradually spreads across a r o o m due to ____________________.
2)The arrangement of particles is less ordered in the ________________ state whereas there is no order in the ____________ state.

Q.

Which of the following pair will exhibit diffusion?

1. Sulphur powder & sugar

2. Tea bag & hot water

3. Rubber & iron particles

4. Salt and sand

Q. Why diffusion takes place faster when two gases are brought in contact with each other?