Chemistry Grade 12 is one of the titles in the Save Buk series specially written for PNG Upper Secondary courses at Grades 11 & 12.   This book gives students concise coverage of the information needed to successfully complete the Grade 12 Chemistry course. The order of Units in the book follows the order of Units in the Chemistry Grade 12 syllabus exactly:   Unit 12.1 Masses, Moles and Concentrations Unit 12.2 Acids, Bases and Salts Unit 12.3 Electrochemistry Unit 12.4 Carbon Compounds Unit 12.5 Natural Resources and Chemical Industries in Papua New Guinea   This book is written in a manner that best develops an overall understanding of the Chemistry concepts and processes set out then PNG Grade 12 syllabus. A Preliminary Unit âPractical Investigations in chemistryâ provides information for carrying out an extended practical investigation. The Glossary/Index at the end of the book, explains the specific terminology that students need for the study of Chemistry.