TY - BOOK AU - Older,John TI - OCR(A) AS/A2 chemistry T2 - Student unit guide SN - 9781444108446 (pbk.) : PY - 2010/// CY - Deddington PB - Philip Allan Updates KW - Chemistry KW - Examinations KW - Study guides KW - Popular Science KW - eflch N1 - Adolescent N2 - Each guide in this series is written by an examiner and explains the unit requirements, summarises the relevant unit content and includes a series of specimen questions and answers ER -