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Turn your chemistry notes into a quiz you can work through

Upload chemistry slides, PDFs or notes and get multiple-choice, true/false and short-answer questions, each with an explanation of the answer.

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

What a chemistry quiz can and cannot do for you

Watching a worked chemistry example teaches the method, but it does not test whether you can repeat it. DeckOwl does not produce a chemistry quiz video; it generates a chemistry quiz from the material you already have, with multiple-choice, true/false and short-answer questions and an explanation for each answer.

Quizzes are built from your own chemistry slides, notes and PDFs
Multiple-choice, true/false and short-answer question types
Explanations on every question to show why an answer is right or wrong
Free plan to start, with no credit card needed

Example chemistry quiz questions with answers

What is the molar mass of water?About 18 g/mol, because two hydrogen atoms (about 1 g/mol each) plus one oxygen atom (about 16 g/mol) add up to roughly 18.

True or false: adding a catalyst shifts the equilibrium position of a reversible reaction.False. A catalyst speeds up the forward and reverse reactions equally, so it only shortens the time needed to reach equilibrium.

What is the pH of a 0.001 M HCl solution?3. HCl is a strong acid that fully dissociates, so the hydrogen ion concentration is 10^-3 M and pH equals minus the log of that value.

Which quantum number sets the shape of an orbital?The azimuthal (angular momentum) quantum number, l. It defines the subshell, with l = 0 for s, 1 for p and 2 for d orbitals.

Why does ice float on liquid water?Ice is less dense than liquid water because hydrogen bonds hold its molecules in an open lattice that takes up more volume per gram.

Generate the full set

Questions from your material

Quizzes are built from your own slides, PDFs, DOCX files, plain text or photos of pages, so they match the chemistry your class actually covers.

Explanations for every answer

Each question comes with a short explanation, so a wrong answer shows you which idea or step to review.

Three question types

Choose multiple-choice, true/false or open short-answer questions, depending on whether you are checking facts, definitions or problem steps.

How it works

Upload your chemistry notes

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

Pick the question types

Select multiple-choice, true/false, short answer or a mix, then generate the quiz.

Work through it and review

Answer in the browser, read the explanations, and retake the questions you missed.

The free plan gives you 3 generations per month and lets you study in the browser. Exports to PDF and DOCX, plus Anki and CSV, are on Plus at $99.90/year or $9.99/month, and QTI 2.1 and Moodle XML export are on Pro at $14.99/month.

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Frequently asked questions

How many questions should a chemistry quiz have?

Ten to fifteen questions usually cover one lecture or chapter section well enough to show gaps. Shorter quizzes are easier to repeat several times before an exam.

What is the best way to study chemistry problems?

Attempt each problem before checking the solution, then redo the ones you missed a day later. Reading the explanation for each wrong answer shows exactly which step went wrong.

Can DeckOwl make a chemistry quiz video?

No. DeckOwl creates text quizzes from your PDFs, slides, DOCX files, plain text or photos of pages, and you study them in the browser.

Do I need to pay to export quizzes?

Yes. The free plan is for studying in the browser only, PDF, DOCX, Anki and CSV export are on Plus, and QTI 2.1 and Moodle XML export are on Pro.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.