This combo set consists of:

HIGHLIGHTS OF THE BOOK

Theory given with each experiment
Complete understanding of each concept, Term and Definition, etc.
Accurate Diagrams in each experiment
Detailed and step-by-step procedure for each experiment
Observation and calculations with each experiment
Viva-Voce questions are given with each experiment to make the concepts more clear
General Introduction of Laboratory Experiments, Probable Accidents and their First aid Treatment, How to Record and Experiment?, General Introduction of Practical Work, Experimental Errors, Logarithms, and Study of Graphs are given in the Physics & Chemistry manual
Your Laboratory, Introduction to Lab Instruments, Apparatus and Glasswares Required in Biology Laboratory, Laboratory Chemicals, Fixatives, Preservatives, Stains, Reagents and Solutions, Some Common Procedures and Practices are given in Biology Laboratory Manual
Appendices are given at the end

Combo of Laboratory Manual CBSE Physics, Chemistry & Biology Class 12th