Question

Fill in the blanks:-
1.Matter is made up of small_________.
2. The forces of attraction between the particles are _______ in solids, ______ in liquids and _________ in gases.
3. __________ is the change of gaseous state directly to solid state without going through liquid state, and vice-versa.
4. Evaporation causes __________.
5. Latent heat of fusion is the amount of heat energy required to change 1 kg of solid into liquid at its ________.
6. Solid, liquid and gas are called the three _______ of matter.
7. The smell of perfume gradually spreads across a room due to ______.
8. Rapid evaporation depends on the ______ area exposed to atmosphere.
9. As the temperature of a system increases, the pressure of the gases ______.
10. As the volume of a specific amount of gas decreases, it’s pressure _______.
11. As the temperature of a gas decreases, I’s volume ______. 12. Gas molecules at higher temperatures have more _______ than at cooler temperatures.
13. Usually the total charge of a plasma is _______.
14. Forces of attraction in liquids are _______ than in solid.
15. Liquids that move quickly downhill are described as having _____.
​

Answer 1

Answer:

1)atom

2) maximum, intermediate, minimum

3) sublimation

4) water vapour

6) state

7) air

8) heat

9)decrease

10)_

Answer 2

Answer:

particles

high, less, least

sublimation

cooling effect

atmospheric pressure

states

diffusion

surface

decrease

increases

increase

movement

no idea

up

moreExplanation: