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Just tap any of the four options on this page — no signup, no card, nothing to install. You'll see the correct answer and a full mark-scheme-style explanation within a second. Each visit shows a fresh randomly-picked question from the live AQA GCSE Combined Science (Trilogy) bank, so you can keep refreshing to try different ones before deciding whether to create a free account for daily access.

Is Kramizo really free for AQA Combined Science (Trilogy) students?

Yes — completely free. Every student gets 45 questions a day on the free plan, across any board and any subject, with no card required and no trial countdown. Kramizo's optional Pro plan removes the daily cap and adds analytics, but the free plan is genuinely free forever. We make money from the small percentage of students who choose to upgrade — not from selling data or ads.

Are the Combined Science (Trilogy) questions aligned to the AQA GCSE syllabus?

Every question is written against the published AQA GCSE Combined Science (Trilogy) syllabus and reviewed for accuracy before being added to the bank. We match the command words (state, describe, explain, evaluate), mark allocations, and difficulty tier you'll see on real AQA past papers. Explanations are written in the style of official examiner mark schemes so students learn exactly what marks are being awarded for.

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AQA · GCSE · Combined Science (Trilogy)

One real Combined Science (Trilogy) question.
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Topic: Physics: Atomic Structure. Pick an answer — get the mark scheme instantly.

Question · Difficulty 2/3

The mass number of an atom is the total number of:

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One real Combined Science (Trilogy) question.No signup. 30 seconds.

One real Combined Science (Trilogy) question.
No signup. 30 seconds.