Name the three states of matter. Give one example of each.

Whish of the following diffuses fastest and which the slowest?

Solid, Liquid, Gas

Give reasons for your answer.

Explain the following:

When an incense stick is lighted in the corner of room, its fragrance spreads quickly in the entire room.

State two characteristic properties each of:

(a) A solid

(b) a liquid

(c) a gas

Why do gases have neither a fixed shape nor a fixed volume?