MATTER IN OUR SURROUNDINGS

Chapter 1 Matter in our Surroundings

1. Matter is
___________________________________________________________________________________________
2. Characteristics of particles of matter

a. Particles of matter have
___________________________________________________________________________________________

b. Particles of matter are
___________________________________________________________________________________________

3. Diffusion is
___________________________________________________________________________________________

4. Melting point is
___________________________________________________________________________________________

5. Boiling point is
___________________________________________________________________________________________

6. Sublimation is
___________________________________________________________________________________________

7. Latent heat of vapourisation is
___________________________________________________________________________________

8. Latent heat of fusion is
___________________________________________________________________________________

9. Fill in the table
:
Solids                                                  Liquids                                                       Gases                                   
1. Shape
2. compressibility
3. Inter molecular
4. force of attraction
5. rigidity

10. Evaporation is
___________________________________________________________________________________

11. Common examples of evaporation are.

b.
12. Factors affecting evaporation area.
b.
c.
d.
e.

13. Full form of

a. LPG : _________________________________________________

b. CNG : _________________________________________________