Advanced Placement Chemistry Tests Free Response and Multiple Choice
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High School - Chemistry Olympiad
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Advanced Placement Chemistry Tests Free Response and Multiple Choice |
National ExamThe USNCO national exam is a three-part, four and one-half hour exam administered in late April
by ACS local sections to nearly 900 students annually. Part I is a 90-minute, 60-item multiple choice examination covering a broad range of topics. Part II, a 105-minute, eight
question, free response section, requires written responses for a multi-step problem requiring in depth knowledge of chemical theories and models. Part III, the 75-minute, two-item
laboratory practical, seeks to evaluate students' ability to problem-solve in the laboratory. The three sections may be administered in any order. Each
participating local section is sent at least eight national exams with additional exams sent to larger sections. To promote widespread participation within a local section, no more
than two students per school are allowed to sit for the exam. A complete listing of Students and teachers may find copies of the (in PDF format)
helpful to prepare for the 2002 exam.
Back to TopLaboratory
Practical In order to select
students with better lab skills, who may be more competitive at the study camp and in the IChO, a two-item laboratory practical was added to the USNCO national exam in 1994. With
nearly 900 students at nearly 150 sites taking the exam, the laboratory practical attempts to evaluate the students' abilities to problem-solve in a laboratory setting, to
articulate their methods, to conduct an experiment, and to manage their time with multiple tasks. These are the same skills that are necessary for success at the IChO. As a result, the laboratory exercises are open-ended. To maximize safety and minimize waste and cost, small-scale chemistry and household items are used when
possible.
- 2001 Laboratory practical (includes examiner´s instructions)
- 2000 Laboratory practical (includes examiner´s instructions)
- 1999 Laboratory practical (includes examiner´s instructions)
- 1998 Laboratory practical and examiner's instructions
- More information about small-scale chemistry.
High School - Chemistry Olympiad
ACS local sections are vital to the success of the USNCO. They conduct local competitions to select
nominees for the national exam. Local sections select their nominees by various means including: the USNCO local section exam, a locally-prepared exam, laboratory practicals,
teacher recommendations, or other regional events with competitive activities among school teams. Local competitions usually occur in March. In addition to
selecting nominees, the local competitions serve to encourage a large number of students to excel in chemistry by comparing their knowledge to national and international levels.
Both the local and national competitions provide a forum for interactions between students, teachers, and other chemists. Often, local sections recognize their top students with
monetary or other awards. Recognition certificates are available free of charge through the
The USNCO Local Section examination is available (for a charge) through the ACS DivCHED Exams Institute. It is a 60-item,110-minute multiple choice exam. Local sections are
encouraged to provide additional questions as a tie-breaker in the event that several students have the same score.
2001 USNCO local section exam
2000 USNCO local section exam