Question

A. 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

_______​

Answer 1

Answer

1) particles

2) more, less and Negligible

3) sublimation

4)cooling

5)melting point

6) states

7) diffusion

8)surface

9)increase

10)decrease

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