Olympiad Test: Matter in Our Surroundings- 3 - Class 9 MCQ

Additionally, you will notice that there is no rise of water level take place when one or more teaspoons of salt is added in the glass of water, this is because salt particles get adjusted in the space b/w the particles of water and no rise in the water level comes in result.

• In gas are well separated with no regular arrangement.

• In liquid are close together with no regular arrangement.

• In solid are tightly packed, usually in a regular pattern.

Kinetic energy is the energy that an object contains in itself because of its motion. The reason is that steam is in the form of gases in which the particles of gases are much apart from one another. The space between the particles of gases is very large. When we heated the particles of gases, it can move very rapidly. Hence, its kinetic energy is maximum.

Temperature on Celsius scale = Temperature

on Kelvin scale – 273

= 300 – 273

= 27°C

For example, the smell of deodorant travels in the whole room if it is used on one side of the room.

Hence, the correct option is B.