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Turn your chemistry notes into a quiz with AI

Upload a chapter, lab handout or slide deck and get practice questions with explanations, so you can test yourself before the exam.

Create quizzes nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free account · 3 sets a month · Creates quizzes in seconds

Why a chemistry quiz helps before exams

Chemistry exams test two things at once: whether you remember definitions like valence or enthalpy, and whether you can apply them to balancing equations or working out a pH. A chemistry quiz built from your own lecture notes covers both, because the questions use the same terms and examples your instructor used.

Upload lecture slides, a textbook chapter or handwritten notes photographed on your phone
Choose multiple choice, true/false or short answer questions, with explanations on each
Retake only the questions you missed to focus your practice time
Export to PDF or DOCX on Plus, or to QTI 2.1 and Moodle XML on Pro

Example general chemistry quiz questions

What is the molar mass of water (H2O), to the nearest whole number?18 g/mol. Two hydrogen atoms (about 1 each) plus one oxygen atom (about 16) add up to roughly 18.

In the reaction 2H2 + O2 → 2H2O, how many moles of O2 react with 4 moles of H2?2 moles. The coefficients show a 2:1 mole ratio of H2 to O2, so 4 moles of H2 need 2 moles of O2.

True or false: raising the temperature of a reaction usually increases its rate.True. Higher temperature gives molecules more kinetic energy, so more collisions exceed the activation energy.

What is the pH of a solution with [H+] = 1 × 10^-3 M?3. pH is the negative base-10 logarithm of the hydrogen ion concentration, so -log(1 × 10^-3) = 3.

Why is argon (1s2 2s2 2p6 3s2 3p6) unreactive?Its outer shell is full with eight electrons, which is a stable octet, so it has little tendency to gain, lose or share electrons.

Generate the full set

Questions from your material

Upload PDFs, DOCX or PPTX files, plain notes, or photos of textbook pages. The questions come from what you actually studied.

Three question types

Choose multiple choice, true/false or short answer. Mix them to check both vocabulary and problem-solving steps.

Explanations for every answer

Each question includes a short explanation, so a wrong answer teaches you why the right one works.

How it works

Upload your notes

Add a PDF, slides, a document or a photo of a page. Text in images is read with text recognition.

Pick the question types

Select multiple choice, true/false or short answer and set how many questions you want.

Take the quiz

Work through the questions in your browser, read the explanations and retake the items you missed.

Short quizzes after each lecture work better than one long review the night before. Answer a few questions, read the explanation for each miss, then come back to the same topic a day or two later. Over a semester this turns scattered notes into a set of topics you can explain without looking.

DeckOwl reads your material and writes questions with explanations. The Free plan includes 3 generations per month and studying in the browser. Plus adds unlimited generations and PDF and DOCX export for $99.90/year or $9.99/month, and students get 40% off with a school email.

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Frequently asked questions

How many quiz questions should I write for a chemistry unit?

Ten to fifteen questions per topic is a practical range for a single session. Mix calculation items with concept questions so you practice both the math and the reasoning behind it.

Which chemistry topics suit practice quizzes best?

Stoichiometry, acid-base chemistry and electron configuration work well because each has clear rules you can test and explain. Reaction rates and equilibrium also suit true/false questions about how changes shift a system.

Can I export my chemistry quiz to PDF or Word?

Yes, PDF and DOCX export is included in the Plus plan at $99.90/year or $9.99/month. Export to QTI 2.1 and Moodle XML is available on the Pro plan at $14.99/month.

Do I need a credit card to try it?

No. The Free plan includes 3 generations per month and studying in the browser, and you can start without a credit card.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.