Lesson 4.8.3.6

4.8.3.6 Instrumental methods Quiz: AQA Chemistry, Unit 8

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.8.3.6, Instrumental methods: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 8: Chemical analysis, written with Revision Ninja.

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The 20 questions

  1. Which three key properties describe instrumental analysis methods?

    • Complex, hazardous, slow
    • Accurate, sensitive, rapid
    • Slow, manual, cheap
    • Inaccurate, bulky, slow

  2. What can be detected and identified using instrumental methods?

    • Only solid metals
    • Only covalent polymers
    • Elements and compounds
    • Only pure mixtures

  3. What is a key advantage of instrumental methods over chemical tests?

    • Simpler manual setup
    • Lower equipment cost
    • No electricity needed
    • Accuracy and sensitivity

  4. Which type of analysis is best for detecting tiny traces of metal ions quickly?

    • Precipitation test
    • Instrumental method
    • Flame test
    • Acid-base titration

  5. When many samples must be analysed in a short time, which advantage matters most?

    • Subjective judgement
    • Long setup times
    • Rapid analysis
    • Low sensitivity

  6. What is a key advantage of instrumental methods over standard chemical tests?

    • Slower process
    • Cheaper equipment
    • More sensitive
    • Simpler setup

  7. A method detects an element at very low concentration reliably in seconds. Which listed properties does this show?

    • Sensitive and rapid
    • Qualitative only
    • Expensive and dangerous
    • Subjective and slow

  8. Which advantage do instrumental methods have over simple chemical tests?

    • Simpler equipment
    • Greater accuracy
    • Lower cost
    • Manual readings

  9. Which term describes an instrumental method being able to detect small amounts of a substance?

    • Buffered
    • Viscous
    • Sensitive
    • Saturated

  10. A student repeats a measurement on one sample five times with an instrument and gets the same reading every time. Which property of the instrument is shown?

    • Accuracy
    • Sensitivity
    • Resolution
    • Precision

  11. What is a common purpose of both instrumental methods and chemical tests?

    • Measuring temperature
    • Producing gases
    • Identifying substances
    • Filtering mixtures

  12. Which analytical technique is generally much faster and more sensitive than traditional chemical tests?

    • Gravimetric analysis
    • Instrumental method
    • Precipitation test
    • Manual titration

  13. Which term describes the data output characteristics of instrumental methods?

    • Slow and bulky
    • Manual and subjective
    • Accurate and sensitive
    • Rough and vague

  14. What does sensitivity mean when referring to instrumental methods?

    • Changing colour fast
    • Detecting tiny amounts
    • Reacting to heat
    • Requiring large samples

  15. Which benefit is most valuable when testing trace pollutants in water supplies?

    • Low temperature
    • High sensitivity
    • High viscosity
    • Visible bubbles

  16. A chemical test gives a positive result but the amount present is very small. Which property would help an instrumental method?

    • Viscosity
    • Melting point
    • Density
    • Sensitivity

  17. Which pair of properties from the specification describes instrumental methods?

    • Qualitative and vague
    • Subjective and slow
    • Accurate and rapid
    • Expensive and dangerous

  18. What major benefit do instrumental methods offer when sample sizes are extremely small?

    • Simpler setup
    • High sensitivity
    • Lower cost
    • Manual reading

  19. How do instrumental methods generally compare in speed to traditional test-tube reactions?

    • Variable speed
    • Much faster
    • Much slower
    • Equal speed

  20. Which phrase summarises a key advantage of modern chemical instrumentation?

    • Slow and manual
    • Cheap and rough
    • Fast and precise
    • Visual and subjective

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