This book +2 Concise Chemistry has been primarily designed as a Reference Book for Class XII students who follow Kerala Higher Secondary and Vocational Higher Secondary Syllabus (NCERT). All symbols, units and notations used in the book are the latest ones approved by IUPAC.Salient features of this new edition A simple and systematic approach content rewritten in several places to make it a more lucid summary of each unit at the end under the heading 'Keep in Memory' for quick revision of additional useful information under the heading 'Expand Your Knowledge'A large number of Questions and Answers as per the New EvaluationPatternPracticeQuestionswithnecessaryhintsNCERTIntextQuestionsandAnswersNCERTExerciseQuestionsandAnswentranceExaminationiy suggestions from learned teachers all over the state have been incorporated in the present .