TY - BOOK AU - Gent,Dave AU - Ritchie,Rob TI - OCR A2 chemistry SN - 9780435691981 AV - QD42 .G46 2008 PY - 2008/// CY - Harlow PB - Heinemann KW - Chemistry KW - Examinations KW - Study guides KW - Problems, exercises, etc N1 - Former multmedia item, formerly accompanied by withdrawn cd-rom; Includes index ER -