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Turn your own chemistry notes into an international chemistry quiz

No ready-made answer sheet to hunt for. Upload your lecture material and DeckOwl writes multiple-choice, true/false or open questions, each with an explanation.

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

Free · First set needs no signup · Creates quizzes in seconds

Why generate your own chemistry quiz

Students preparing for an exam often need an international chemistry quiz built from their own lecture slides, not a generic set that may not match the course. A quiz made from your notes tests the exact definitions, reactions and worked problems your instructor will use.

Quizzes built from your own chemistry PDFs, slides or notes
Multiple-choice, true/false and open questions with explanations
Study in the browser on the Free plan
Export to PDF, DOCX or Anki on Plus, and QTI 2.1 or Moodle XML on Pro

Example international chemistry quiz questions

What is the number of particles in one mole of a substance?Avogadro's number, 6.022 × 10²³. It defines the mole as a counting unit for atoms or molecules.

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

What is the pH of a 0.001 M hydrochloric acid solution?pH 3. HCl is a strong acid that fully dissociates, so [H⁺] equals 10⁻³ M and pH equals 3.

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁴?Sulfur. Its 16 electrons fill orbitals up to 3p⁴, which gives atomic number 16.

Why does ice float on liquid water?Hydrogen bonds hold water molecules in an open lattice, so ice is less dense than liquid water.

Generate the full set

Questions from your material

Upload PDFs, slides, DOCX files, plain notes or photos of pages. The quiz covers the topics you actually studied.

Three question types

Choose multiple-choice, true/false or open questions, or mix them in one quiz for varied practice.

Explanations for every answer

Each question comes with an explanation, so a wrong answer teaches you why the right one is correct.

How it works

Upload your material

Add a PDF, slide deck, document, text notes or a photo of a textbook page.

Pick the question types

Select multiple-choice, true/false or open questions and generate the quiz.

Answer, review and repeat

Work through the quiz in the browser, read the explanations, then retake the questions you missed.

Practice works best when you answer from memory before you check the notes. Generating a fresh quiz each week, then reviewing the explanations for anything you missed, shows where your understanding is thin before the exam does.

The Free plan includes 3 generations per month and browser study. Paid plans add unlimited generations and exports.

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Frequently asked questions

How many questions should a chemistry quiz have for one unit?

A quiz of around 15 to 20 questions suits most single-unit reviews. You can generate a shorter or longer set from the same material.

What is the best way to study for an international chemistry exam?

Answer questions from memory before rereading your notes, then read the explanation for every question you missed. Retaking those questions later strengthens recall.

Can I export the quiz to Moodle or QTI?

Yes. QTI 2.1 and Moodle XML export are included in the Pro plan at $14.99 per month.

Is there a free plan?

Yes. The Free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.