His book, formally titled Simplified ICSE Chemistry for Class 9 , is often referred to simply as "Dalal" by students and teachers alike. It is the go-to companion for anyone serious about the subject.

– Laboratory preparation, properties, and the displacement method for collection.

. It is more concise, focusing on what is likely to be tested. Some find it better for difficult chapters like the Mole Concept : Generally preferred for initial concept building