Lesson 4.4.2.5

4.4.2.5 Titrations (chemistry only) Quiz: AQA Chemistry, Unit 4

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.4.2.5, Titrations (chemistry only): 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 4: Chemical changes, written with Revision Ninja.

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The 20 questions

  1. What do titrations measure between solutions of acids and alkalis?

    • Reaction rates
    • Atomic masses
    • Reacting volumes
    • Melting points

  2. What must be added in a titration to show the end point?

    • Universal paper
    • Damp starch
    • Suitable indicator
    • Blue litmus

  3. Which acid is suitable for titration in this specification?

    • Ethanoic acid
    • Carbonic acid
    • Hydrochloric acid
    • Citric acid

  4. Why is ethanoic acid avoided in standard AQA titration practicals?

    • It is insoluble
    • It is volatile
    • It is toxic
    • It is weak

  5. A burette reads 2.50 cm3 at the start and 27.30 cm3 at the end. What volume of solution was added?

    • 24.00 cm3
    • 25.80 cm3
    • 24.80 cm3
    • 29.80 cm3

  6. Three concordant titres are 24.8, 24.9 and 24.7 cm3. What is the mean titre?

    • 24.9 cm3
    • 25.2 cm3
    • 24.4 cm3
    • 24.8 cm3

  7. Higher tier: How many moles are in 25.0 cm3 of 0.10 mol/dm3 sodium hydroxide solution?

    • 0.25
    • 0.025
    • 0.0100
    • 0.0025

  8. Higher tier: 20.0 cm3 of 0.10 mol/dm3 hydrochloric acid exactly neutralises 25.0 cm3 of sodium hydroxide. What is the concentration of the sodium hydroxide?

    • 0.08 mol/dm3
    • 0.005 mol/dm3
    • 0.125 mol/dm3
    • 0.10 mol/dm3

  9. Higher tier: What is the concentration in g/dm3 of a 0.10 mol/dm3 sodium hydroxide solution (Mr = 40)?

    • 4.0 g/dm3
    • 0.4 g/dm3
    • 40 g/dm3
    • 0.04 g/dm3

  10. Higher tier: 20.0 cm3 of 0.10 mol/dm3 sulfuric acid is neutralised by sodium hydroxide. How many moles of sodium hydroxide are needed?

    • 0.02
    • 0.004
    • 0.002
    • 0.001

  11. Which two types of solution are used in titration required practicals?

    • Weak acid and metal
    • Acid and metal carbonate
    • Strong acid and alkali
    • Insoluble base and salt

  12. What happens at the end point of a titration?

    • Gas bubbles stop
    • Indicator changes colour
    • Solution starts boiling
    • Solid precipitate forms

  13. Which apparatus is used to deliver a precise, variable volume of acid?

    • Beaker
    • Burette
    • Conical flask
    • Measuring cylinder

  14. Which apparatus is used to measure a fixed volume of alkali into the conical flask?

    • Pipette
    • Thermometer
    • Burette
    • Gas syringe

  15. Where should a burette reading be taken from?

    • Centre of meniscus
    • Top of meniscus
    • Water surface line
    • Bottom of meniscus

  16. Which pair of reactants is suitable for a standard AQA titration?

    • Carbonic acid and sodium
    • Hydrochloric acid and copper
    • Nitric acid and KOH
    • Ethanoic acid and water

  17. Higher tier: 25.0 cm3 of 0.50 mol/dm3 nitric acid is neutralised by potassium hydroxide of concentration 0.25 mol/dm3. What volume of potassium hydroxide is needed?

    • 50 cm3
    • 100 cm3
    • 12.5 cm3
    • 25 cm3

  18. Why are titration experiments repeated multiple times?

    • To use more indicator
    • To change the endpoint
    • To speed up reactions
    • To get concordant results

  19. Higher tier: 1.0 g of sodium hydroxide is dissolved to make 250 cm3 of solution. What is the concentration in g/dm3?

    • 4.0 g/dm3
    • 250 g/dm3
    • 1.0 g/dm3
    • 0.25 g/dm3

  20. Higher tier: 10 cm3 of 1.0 mol/dm3 hydrochloric acid neutralises 20 cm3 of sodium hydroxide. What is the concentration of the sodium hydroxide?

    • 0.05 mol/dm3
    • 0.5 mol/dm3
    • 2.0 mol/dm3
    • 0.2 mol/dm3

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