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AQA GCSE Chemistry Chemical Changes Questions and Answers 2026 | Exam Revision Workbook, Practice Pack & Verified Solutions

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Boost your exam performance with this complete AQA GCSE Chemistry Chemical Changes revision workbook for 2026. Includes exam-style questions, fully worked answers, mark scheme solutions, and clear explanations covering reactivity series, displacement reactions, acids and bases, salt preparation, electrolysis, and industrial chemical processes. Designed to support effective revision and help students achieve top grades in AQA GCSE Chemistry.

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AQA GCSE Chemistry Chemical Changes
Questions and Answers 2026 | Exam Revision
Workbook
Reduction - CORRECT ANSWER -Gain of electrons



Displacement reaction - CORRECT ANSWER -
When a more reactive element takes the place of a less reactive element in a compound



Redox reaction - CORRECT ANSWER -A reaction where both oxidation and reduction occur



Acid - CORRECT ANSWER -Substance that produces hydrogen ions (H⁺) in water



Alkali - CORRECT ANSWER -Substance that produces hydroxide ions (OH⁻) in water



Strong acid - CORRECT ANSWER -An acid which is fully ionised (split into ions) in water



Weak acid - CORRECT ANSWER -An acid in which only a few molecules are ionised



Dilute - CORRECT ANSWER -A solution containing a small amount of dissolved solute



Concentrated - CORRECT ANSWER -A solution containing a lot of dissolved solute



Neutralisation - CORRECT ANSWER -Reaction between an acid and an alkali forming water.



Ionic equation for neutralisation - CORRECT ANSWER -H⁺(aq) + OH⁻(aq) → H₂O(l)



Acid + Base - CORRECT ANSWER -→ salt + water


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Uploaded on
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Written in
2025/2026
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  • aqa gcse chemistry chemical changes
  • chemical changes questions and answers
  • gcse chemistry revision 2026
  • aqa chemistry exam practice
  • reactivity series questions gcse
  • chemistry revision workbook 2026
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