Sailent features of the book are as follows: The language used is simple, lucid and easy to understand by students. The basic concepts underlying various experiments and activities have been thoroughly explained. The procedural steps to be followed in various experiments have been systematically and logically arranged. The observation tables have been meticulously designed. Graphs and Diagrams have been accurately drawn and properly labelled. Specimen Viva Voce questions alongwith their answers are given at the end of a group of experiments. The list of such questions may be unending but these are the usual types of questions asked at the time of practical examination.