AQA GCSE Chemistry Question and answers already passed 2024
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Course
AQA GCSE
Institution
AQA GCSE
AQA GCSE Chemistry Question and answers already passed 2024 Oxidation - correct answer Loss of electrons
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 rea...
AQA GCSE Chemistry - Chemical
Changes
Oxidation - correct answer ✔Loss of electrons
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
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