The exam featured 18 free-response questions in total. Modular Scoring:
Since the 1972 AP Chemistry free response answers are not officially digitized, the most reliable compilation is found in the (published in 1991), which retroactively printed selected answers from 1970–1989. Look for Appendix C, Table 4. 1972 ap chemistry free response answers
Even though the AP Chemistry curriculum was redesigned in 2014 and updated again recently, the 1972 free-response questions are highly valued for mastery. The exam featured 18 free-response questions in total