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HomeEdexcel GCSE ChemistryRates of Reaction and Energy
Edexcel · GCSE · Chemistry

Rates of Reaction and Energy
Practice Questions

8 Edexcel GCSE Chemistry questions on Rates of Reaction and Energy, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Rates of Reaction and Energy.

Try 2 sample questions on Rates of Reaction and Energy

Question 1 · 1 mark · Difficulty 1/3

How does increasing concentration affect rate?

  1. It slows the reaction
  2. More particles in the same volume means more frequent collisions, increasing rate
  3. No effect
  4. It only affects temperature
Show answer & explanation
✓ Answer: BMore particles in the same volume means more frequent collisions, increasing rate
Higher concentration = more particles per unit volume = more frequent successful collisions = faster rate.
Question 2 · 1 mark · Difficulty 1/3

What is an exothermic reaction?

  1. One that absorbs energy
  2. One that releases energy to the surroundings, causing the temperature to rise
  3. One with no energy change
  4. A reversible reaction
Show answer & explanation
✓ Answer: BOne that releases energy to the surroundings, causing the temperature to rise
Exothermic: energy released. Temperature rises. Examples: combustion, neutralisation, oxidation. Energy of products < energy of reactants.
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Edexcel GCSE Chemistry: Rates of Reaction and Energy FAQ

How many Edexcel GCSE Chemistry questions on Rates of Reaction and Energy are there on Kramizo?
Kramizo currently has 8 exam-board-aligned practice questions on Rates of Reaction and Energy for Edexcel GCSE Chemistry, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real Edexcel paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for Edexcel GCSE students preparing for Chemistry?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Rates of Reaction and Energy practice with other Chemistry topics or even switch to a totally different Edexcel subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Rates of Reaction and Energy questions aligned to the official Edexcel GCSE Chemistry syllabus?
Every question is written against the published Edexcel GCSE Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real Edexcel paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from Edexcel.
How is Rates of Reaction and Energy typically tested on Edexcel GCSE Chemistry papers?
Rates of Reaction and Energy appears across multiple question types on real Edexcel GCSE Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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