This book describes practical knowledge with respect to all four branches of chemistry i.e. organic chemistry, Natural chemistry, physical chemistry and analytical chemistry respectively. All the necessary information about procedure, formulas, calculations, hazardous properties, representation and precautions should be taken while performing practical is described step by step. This book contains all the basic contents, instructions and fundamental step of experimental chemistry which decreases random and methodical errors and helps to solve the difficulties faced by the undergraduate students.