Available Answers

1. 1.

   Explain the meaning of the term 'matter'.

2. 2.

   Matter in any state is composed of small particles - molecules, atoms or ions. Differentiate the terms above in italics.

3. 3.

   Differentiate between the two characteristics of matter - 'mass' and 'weight'.

4. 4.

   State which of the three states of matter i.e. solids, liquids or gases - have
   (a) No definite volume (b) A definite shape (c) High density (d) No free surfaces
   (e) Particles - which diffuse very easily.

5. 5.

   State the main postulates of the kinetic theory with special reference to -
   (a) Inter - particle space (b) Inter-particle attraction (c) Energy possessed by particles of matter.

6. 6.

   State in which of the following examples i.e. a piece of wood, water, a light gas is the -
   (a) Inter - particle space maximum
   (b) Inter - particle attraction maximum
   (c) Energy possessed by particles of matter, very large.