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Revise chemistry with quizzes built from your own notes

Upload a PDF, slide deck, document or photo of your notes. DeckOwl writes practice questions with explanations so you can find and fix the gaps before the exam.

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

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How chemistry quiz revision fits into exam prep

Re-reading chemistry notes feels productive, but testing yourself shows which reactions, formulas and definitions you actually remember. Chemistry quiz revision works best when the questions come from your own lecture notes and textbook chapters, so the practice matches what your instructor will test.

Questions drawn from your own chemistry notes and slides
Explanations for every answer, so mistakes become lessons
Mixed question types to test recall and application
Repeatable sessions you can run each day before the exam

Example chemistry quiz questions for revision

What is the conjugate base of HCO3-?CO3 2-, carbonate. HCO3- loses an H+ to become CO3 2-, so carbonate is the species that can accept that proton back.

True or false: for an exothermic reaction, raising the temperature increases the equilibrium constant K.False. Raising the temperature shifts equilibrium toward the reactants for an exothermic reaction, which lowers K.

What is the molar mass of CO2, using C = 12.01 and O = 16.00 g/mol?44.01 g/mol. One carbon (12.01) plus two oxygens (32.00) gives 44.01.

Why does adding a catalyst not change the position of equilibrium?A catalyst lowers the activation energy for both the forward and reverse reactions equally, so it speeds both up without changing K.

What is the electron configuration of Fe2+?[Ar] 3d6. Iron is [Ar] 3d6 4s2, and losing two electrons removes the 4s electrons first, leaving 3d6.

Generate the full set

Multiple choice, true/false and short answer

Each question comes with an explanation so you learn why an answer is right or wrong.

Built from your material

Upload PDFs, DOCX, PPTX, plain notes or photos of pages, and the questions follow what you actually studied.

Export when you need it

Plus adds PDF and DOCX export. Pro adds QTI 2.1 and Moodle XML for course platforms.

How it works

Upload your material

Add a chemistry PDF, slide deck, document or photo of your notes.

Choose question types

Pick multiple choice, true/false or short answer questions for your session.

Practice and review

Answer, read the explanation, then repeat the questions you missed until they feel easy.

DeckOwl reads your uploaded PDF, slides or notes and writes questions with explanations you can check against the source. Spreading practice over several days helps more than one long cram session before the exam.

Start with a few questions after each topic, then return to the ones you missed until the explanations feel obvious.

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Frequently asked questions

How many questions should I do in one chemistry revision session?

Many students find 15 to 25 mixed questions a manageable session. Mixing topics tends to build recall more effectively than drilling one topic at a time.

Which chemistry topics should I revise first?

Start with the topics your exam weights most heavily, then move to the ones where your practice scores are lowest. Stoichiometry, equilibrium and acid-base chemistry are common sticking points, so check them early.

Is DeckOwl free for chemistry quiz revision?

The Free plan includes 3 generations per month and studying in the browser. Exports to PDF and DOCX are part of the Plus plan at $39/year or $7.99/month, and students get 40% off with a school email.

Can I export chemistry quizzes to my school's learning platform?

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

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Keep exploring the topic

Review the main ideas visually or practice recalling them.