Benfield, Frank. Practice in chemistry : progressive questions for AS and A level / Benfield, Hillman, McCarty. - London : Hodder & Stoughton, 2000. - viii, 215 p. : ill. ; 25 cm. ISBN: 0340772654 (pbk.) 9780340772652 (pbk.) Subjects--Topical Terms: Chemistry--Examinations--Study guides.A-level examinations--Study guides.Advanced supplementary examinations--Study guides. Dewey Class. No.: 540.76 / BEN