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Practice chemistry with a multiple-choice quiz from your own notes

Upload a PDF, slides or notes and get multiple-choice, true/false or short answer questions, each with an explanation.

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

Why multiple-choice practice works for chemistry

A chemistry MCQ quiz works best when the questions come from the same material your instructor uses, such as lecture slides, lab handouts or chapter notes. Generic question banks often skip the specific reactions, units and definitions your exam will test.

Questions tied to your own lecture material rather than a generic bank.
Explanations that show the reasoning behind the correct option.
A mix of multiple choice, true/false and short answer questions.
A free plan with 3 generations per month and no credit card needed to start.

Example chemistry MCQ practice questions

What is the conjugate base of HCO3-?CO3 2-. HCO3- loses a proton (H+) to become CO3 2-, so it has one fewer hydrogen.

What is the molar mass of CO2?About 44 g/mol. Add the atomic masses of one carbon (12) and two oxygen atoms (2 × 16).

Which gas forms when zinc reacts with hydrochloric acid?Hydrogen. Zn + 2HCl gives ZnCl2 and H2, so hydrogen gas is released.

Which quantum number determines the shape of an orbital?The azimuthal (angular momentum) quantum number, l. It sets the subshell shape as s, p, d or f.

True or false: dissolving ammonium nitrate in water always raises the solution temperature.False. The dissolution is endothermic, so the solution cools as it absorbs heat.

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Built from your material

Upload PDFs, DOCX, PPTX, plain text notes or photos of pages. Questions come from what you actually studied.

Explanations for every answer

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

Export when you need it

Export to PDF or DOCX on Plus, or to QTI 2.1 and Moodle XML on Pro. The free plan studies in the browser.

How it works

Upload your notes

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

Choose the question type

Pick multiple choice, true/false or short answer, then generate the quiz.

Practice and review

Answer the questions, read the explanations and retry the ones you missed.

Multiple-choice questions make you compare close options, which is useful in chemistry where a wrong answer is often a common misconception. Reading the explanation after each attempt shows the reasoning, such as why a conjugate base has one fewer proton.

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Frequently asked questions

How many chemistry MCQs should I practice before an exam?

There is no fixed number, but working through every unit in your syllabus is more useful than one long session. Retrying the questions you got wrong usually improves results more than adding new ones.

How do I study chemistry multiple-choice questions effectively?

Attempt each question before checking the answer, and read the explanation even when you guessed correctly. Keep a short list of the reactions, formulas or definitions you keep missing and review them first.

Can I export my chemistry quiz?

PDF and DOCX export are included on the Plus plan, and QTI 2.1 and Moodle XML export are on the Pro plan. Exports are paid features, so the free plan studies in the browser only.

Is there a free plan?

Yes, the free plan includes 3 generations per month and studying in the browser. You do not need a credit card to start, and students get 40% off with a school email.

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