CLEP Chemistry practice test

CLEP Chemistry Practice Test and Practice Questions From Your Own Notes and PDFs

Upload your general chemistry textbook, lecture notes or study guide, and the AI writes unlimited CLEP Chemistry practice questions with an answer key and explanations in seconds. Drill all nine content areas, clear the 75-question exam, and turn a full year of general chemistry into 6 credits you never pay tuition for.

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In short: to build CLEP Chemistry practice questions, upload your chemistry notes, a textbook chapter or a study guide and the AI writes multiple-choice questions with an answer key and explanations in seconds. CLEP Chemistry has approximately 75 questions in approximately 90 minutes, all multiple choice with five answer options (A through E), with no guessing penalty and no separately timed sections. Scores run 20 to 80, and 50 is the score the American Council on Education recommends for credit. Two things make this exam unusual. First, it is worth 6 semester hours, not the usual 3, because it covers a full year of general chemistry, which makes it one of the two best credit-per-dollar exams in the program. Second, you get a periodic table and a TI-30XS MultiView calculator for the whole exam, but no formula sheet and no table of constants, so every equation and every constant has to come out of your own memory.

Last updated July 2026

Questions
~75 in 90 minutes
College credit
6 semester hours
Practice questions
Unlimited

What a CLEP Chemistry practice question generator does

Two semesters of general chemistry, one 90-minute exam

CLEP Chemistry asks you to hold a year of general chemistry in working memory and apply it under time pressure. Roughly 75 questions move from electron configuration to phase diagrams to titration curves to reaction rates, and they do not warn you when the subject changes. Reading the textbook again will not get you there, because the exam does not test whether you recognize the material, it tests whether you can pull the right relationship out of memory and use it in about seventy seconds. Upload the material you are already studying, a chapter on bonding, your notes on gas laws, a review sheet on equilibrium, and you can build a practice exam from your notes with fresh items every time. Miss one and the explanation tells you why, so the next set drills exactly the concept you keep losing.

CLEP Chemistry content areas and weights

Nine content areas. Unlike the history exams, College Board publishes these as fixed single percentages, and they sum to exactly 100, so you can plan against them precisely.

Content area What it covers Weight
Structure of MatterAtomic theory and structure, electron configuration, periodic relationships, chemical bonding, molecular geometry, nuclear chemistry.20%
States of MatterGases and the gas laws, liquids and solids, phase diagrams, solutions and colligative properties.19%
Descriptive ChemistryPeriodic trends in the elements, common reactions, organic chemistry and the chemistry of the main groups.14%
Reaction TypesAcids and bases, precipitation, oxidation and reduction, and coordination compounds.12%
Equations and StoichiometryThe mole, balancing equations, limiting reagents, empirical formulas and mass and volume relationships.10%
Experimental ChemistryLab procedure, measurement, data interpretation and the reasoning behind common experiments.9%
EquilibriumDynamic equilibrium, equilibrium constants, Le Chatelier's principle, acid and base equilibria.7%
ThermodynamicsCalorimetry, enthalpy, entropy, free energy and spontaneity.5%
KineticsReaction rates, rate laws, reaction order, activation energy and catalysis.4%

Approximately 75 questions in approximately 90 minutes, all multiple choice with five options (A through E), scored on a 20 to 80 scale, with some unscored pretest questions mixed in. Note what this table tells you: structure of matter and states of matter together are 39 percent of the exam, close to two-fifths, while equilibrium, thermodynamics and kinetics combined are only 16 percent. Students routinely invert that, because equilibrium and thermo feel harder and so absorb more study time. Weight your practice by the percentages, not by how uncomfortable a topic makes you. Beware any prep site that merges these nine areas into fewer, larger buckets: it hides the real weights you need in order to plan.

You get a periodic table. You do not get a formula sheet.

This is the detail that quietly decides scores, and most prep pages skip it. The testing software gives you a periodic table under the Help icon, and a TI-30XS MultiView scientific calculator you can use for the entire exam. That is the complete list of what you are handed. There is no equation sheet, no table of thermodynamic constants, no list of solubility rules, no reduction potentials. If you have prepared for AP Chemistry, unlearn that habit now: AP supplies a formula and constants packet, and CLEP does not. The ideal gas constant, the combined gas law, the Nernst relationship, the Henderson-Hasselbalch equation, the value of Avogadro's number, all of it has to come out of your own head.

The practical consequence is that memorization is not optional on this exam, and it should be built into practice from the first week rather than crammed at the end. When you generate questions from your notes, deliberately include the ones that force a constant or an equation out of recall, and do the arithmetic rather than skipping to the answer. A question you can set up but not finish is worth exactly zero.

The calculator itself is worth ten minutes of your time before test day. It is scientific, not graphing, which is the same model CLEP gives you on College Algebra and College Mathematics, and a step down from the graphing TI-84 Plus CE that appears on Precalculus and Calculus. You cannot bring your own device, so if you have spent a semester on a different calculator, the on-screen one will feel awkward exactly when you least want it to. Practice the scientific notation entry and the logarithm keys specifically, because pH and equilibrium problems live there.

How to make CLEP Chemistry practice questions from your notes

1
Upload your material
Drop in a textbook chapter, your lecture notes, or a study guide. Scanned and handwritten pages are read with OCR.
2
Set the drill
Pick the question count and difficulty. Aim a set at bonding, gas laws, stoichiometry or acid-base equilibria so the focus matches your weak area.
3
AI writes questions
The AI reads your content and writes CLEP-style multiple-choice questions with an answer key and an explanation for each one.
4
Review and repeat
Score the set, read the explanation behind every miss, then regenerate a tighter drill on just the reactions and relationships you got wrong.

Why 6 credits changes the math on this exam

Almost every CLEP exam is worth 3 semester hours. Chemistry is worth 6, because the American Council on Education recommends it as the equivalent of a full-year general chemistry sequence rather than a single course. The exam fee is $97 regardless. So the same 90 minutes and the same $97 that buy you 3 credits in Sociology or American Government buy you 6 here. On a per-credit basis, and set against a general chemistry sequence at a four-year school, that is the cheapest credit in American higher education, and it is not close.

The catch is honest and worth saying plainly: this is a hard exam, widely considered one of the hardest in the CLEP program, and it is asking for two semesters of material rather than one. That is the trade. You are not getting 6 credits because the exam is generous, you are getting 6 credits because it covers twice as much. If you have never taken general chemistry, treat this as a genuine multi-month project rather than a weekend of review.

A word on pass rates, because you will see them quoted everywhere. College Board does not publish pass rates for any CLEP exam. The figures circulating on prep sites for Chemistry range from about 11 percent to about 39 percent, which is a spread wide enough to tell you that nobody quoting them has a source. The lowest number appears to come from a military testing population rather than the general one. We are not going to add a fabricated statistic to that pile. Judge the difficulty from the content outline above, which is official, and from an honest practice score, which is yours.

Scoring is rights-only. There is no penalty for a wrong answer, so a blank and a miss cost you exactly the same and you should never leave one empty. Eliminate what you can, then guess. With five options rather than four, a blind guess is a one-in-five shot, so eliminating even a single distractor moves the odds meaningfully in your favor. A score of 50, the level the American Council on Education recommends, earns the 6 semester hours at the roughly 2,900 colleges that accept CLEP. Each college sets its own required score and credit policy, so confirm yours before registering. This generator is a study aid rather than a replacement for the official CLEP materials.

Who uses this to prep for CLEP Chemistry

Pre-health and STEM majors

Clearing the general chemistry prerequisite without spending two semesters in it. Check first that your program accepts CLEP for a lab science, since some require the lab component separately.

Credit stackers going for volume

Chemistry and Biology are the two 6-credit science exams. Clearing both is 12 semester hours from two 90-minute sittings, which is the fastest legitimate credit in the program.

Students who took chemistry years ago

You once knew this. Retrieval practice on your old notes rebuilds it far faster than rereading a textbook, because the gap is recall, not comprehension.

CLEP Chemistry questions, answered

How many questions are on the CLEP Chemistry exam?
The CLEP Chemistry exam has approximately 75 questions answered in approximately 90 minutes. Some are unscored pretest questions that do not count toward your score. Unlike CLEP Precalculus and CLEP Calculus, Chemistry is not split into separately timed sections, so you manage the full 90 minutes yourself. Every question is multiple choice with five answer choices lettered A through E.
How many credits is CLEP Chemistry worth?
The American Council on Education recommends 6 semester hours for a score of 50, not the 3 that most CLEP exams carry. Chemistry covers material normally taught across a full year of general chemistry, so a single 90-minute exam can replace two semesters. That makes it one of the highest credit-per-dollar exams in the whole CLEP program, alongside CLEP Biology.
Can you use a calculator on the CLEP Chemistry exam?
Yes. A TI-30XS MultiView scientific calculator is built into the exam software and available during the entire testing time, not just part of it. You cannot bring your own calculator into the testing room. Note that it is a scientific, non-graphing calculator, which is the same model used on CLEP College Algebra and College Mathematics, and different from the graphing TI-84 Plus CE used on Precalculus and Calculus.
Is a periodic table provided on the CLEP Chemistry exam?
Yes. A periodic table is available in the testing software under the Help icon. That is the only reference material College Board documents. There is no formula sheet and no table of constants, which is a real difference from AP Chemistry, where both are supplied. You have to recall equations and constants such as the gas constant R from memory, so build them into your practice. If your notes are handwritten or scanned, run them through an OCR document reader first so the generator can read every page.
What is on the CLEP Chemistry exam?
Nine content areas with fixed weights that sum to 100 percent: structure of matter (20 percent), states of matter (19 percent), descriptive chemistry (14 percent), reaction types (12 percent), equations and stoichiometry (10 percent), experimental chemistry (9 percent), equilibrium (7 percent), thermodynamics (5 percent) and kinetics (4 percent). Structure and states of matter together are 39 percent, nearly two-fifths of the exam.
What score do you need to pass the CLEP Chemistry exam?
CLEP scores run on a scale of 20 to 80. The American Council on Education recommends a score of 50 for 6 semester hours of credit, treated as the equivalent of a C in the course. Scoring is rights-only, so there is no penalty for a wrong answer and you should never leave a question blank. Each college sets its own required score, so confirm your school's CLEP policy before you register.
What is the CLEP Chemistry pass rate?
College Board does not publish pass rates for any CLEP exam, so there is no official number and we will not invent one. Prep sites quote figures ranging from 11 percent to 39 percent, and that spread is the tell: they cannot all be right and none cite College Board. The one low figure that circulates comes from a military testing population, not the general one. Judge difficulty by the content, not by a made-up statistic.
How much does the CLEP Chemistry exam cost?
The CLEP exam fee is $97, plus a test center administration fee that each center sets individually and College Board does not publish, or a remote proctoring fee if you test from home. Modern States offers a free online chemistry course that comes with a voucher covering the $97 fee. For 6 semester hours, this is the cheapest credit in American higher education by a wide margin.

PDFQuiz is not affiliated with, endorsed by, or sponsored by College Board, CLEP, Modern States, or the American Council on Education. CLEP is a registered trademark of College Board. This generator builds practice questions from material you upload and is a study aid, not a replacement for the official CLEP study materials.

Related study tools

Chemistry is one of two 6-credit science exams. The other is the CLEP Biology practice test generator, and clearing both is 12 semester hours. Need the math requirement too? The CLEP Calculus practice test generator is worth 4 credits, and the CLEP College Algebra practice test generator and CLEP Precalculus practice test generator cover the rest. For general science recall, the chemistry quiz maker builds questions from any chapter you upload.

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Upload your chemistry notes or a textbook chapter and generate CLEP-style questions in under a minute. Weight the nine areas properly, memorize the constants nobody hands you, and walk out with 6 credits.

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