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GCSE Chemistry - Chemical Changes Prep Exam Well Answered 100% 2024. CA$11.44   Add to cart
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GCSE Chemistry - Chemical Changes Prep Exam Well Answered 100% 2024.
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  • Course
  • GCSE Chemistry
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  • GCSE Chemistry

Oxidation - Answer Loss of electrons Reduction - Answer Gain of electrons Displacement reaction - Answer When a more reactive element takes the place of a less reactive element in a compound Redox reaction - Answer A reaction where both oxidation and reduction occur Acid - Answe...

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  • May 17, 2024
  • 2
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • gcse chemistry chemical changes

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  • GCSE Chemistry
  • GCSE Chemistry

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GCSE Chemistry - Chemical Changes Prep Exam Well Answered 100% 2024.
Oxidation - Answer Loss of electrons
Reduction - Answer Gain of electrons
Displacement reaction - Answer When a more reactive element takes the place of a less reactive element in a compound
Redox reaction - Answer A reaction where both oxidation and reduction occur
Acid - Answer Substance that produces hydrogen ions (H⁺) in water
Alkali - Answer Substance that produces hydroxide ions (OH⁻) in water
Strong acid - Answer An acid which is fully ionised (split into ions) in water
Weak acid - Answer An acid in which only a few molecules are ionised
Dilute - Answer A solution containing a small amount of dissolved solute
Concentrated - Answer A solution containing a lot of dissolved solute
Neutralisation - Answer Reaction between an acid and an alkali forming water.
Electrolysis - Answer Splitting up an ionic compound using electricity
Electrolyte - Answer A liquid or solution that can be split up by electricity

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