Past Exams
Exam archive
Direct links to ACS-hosted PDFs of past Local and National exams. National exams are split into Part I (multiple choice), Part II (free response), and Part III (lab practical). Working full exams under timed conditions is the best preparation.
YearLocalNational
Links open ACS-hosted PDFs in a new tab. Older years and additional solutions are available on the ACS Prepare for Exams page.