Lesson 4.2.4.2

4.2.4.2 Uses of nanoparticles Quiz: AQA Chemistry, Unit 2

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.2.4.2, Uses of nanoparticles: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 2: Bonding, structure, and the properties of matter, written with Revision Ninja.

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The 20 questions

  1. Which is an application of nanoparticles in cosmetics?

    • Fertilisers
    • Sun creams
    • Steel girders
    • Paper pulp

  2. What are nanoparticles used as in some chemical processes?

    • Catalysts
    • Solvents
    • Indicators
    • Anodes

  3. Which area is listed among the applications of nanoparticles?

    • Electronics
    • Road salt
    • Aerosol cans
    • Brewing beer

  4. When studying nanoparticle applications, what must students consider alongside benefits?

    • Crystal structures
    • Disadvantages
    • Manufacturing costs only
    • Atomic weights

  5. What is a key factor to consider regarding the toxicity or safety of nanoparticles?

    • Zero toxicity
    • Guaranteed safety
    • Complete inertness
    • Possible health risks

  6. What should a company weigh up before introducing nanoparticles into a product like sun cream?

    • Benefits and risks
    • Mass and volume
    • Profit and loss
    • Colour and smell

  7. How should the use of nanoparticles for a specific purpose be evaluated?

    • Weigh advantages against risks
    • Focus only on benefits
    • Ignore potential hazards
    • Measure mass accurately

  8. Which industry sector is a recognised application area for nanoparticles in the specification?

    • Textiles
    • Medicine
    • Agriculture
    • Construction

  9. Why are nanoparticles particularly effective when used as industrial catalysts?

    • High electrical conductivity
    • Magnetic properties
    • High surface area
    • Low melting point

  10. What is the correct approach when assessing nanoparticle safety?

    • Assume zero risk
    • Measure total volume
    • Evaluate possible risks
    • Ban all applications

  11. New applications for nanoparticulate materials are an important area of what?

    • Mining
    • Research
    • Sport
    • Taxation

  12. What is a major advantage of nanoparticles due to their high effectiveness?

    • Higher production cost
    • Smaller quantities needed
    • Increased toxicity
    • Larger quantities needed

  13. Which specific ratio drives the unique properties of nanoparticles?

    • Mass to energy
    • Surface area to volume
    • Volume to density
    • Length to mass

  14. What key balanced evaluation must be performed for a given nanoparticle application?

    • Benefits versus risks
    • Size versus mass
    • Cost versus profit
    • Volume versus density

  15. What skill is required regarding nanoparticle applications rather than memorising examples?

    • Drawing crystal lattices
    • Calculating molar mass
    • Recalling exact dimensions
    • Evaluating given information

  16. What is required when evaluating a specific nanoparticle use?

    • Weighing benefits against risks
    • Maximising total mass
    • Minimising surface area
    • Ignoring side effects

  17. Why must nanoparticle risks be evaluated alongside their clear benefits?

    • Guaranteed toxicity
    • Potential health risks
    • Zero side effects
    • Higher production costs

  18. What must students do with given nanoparticle information?

    • Evaluate for specified purposes
    • Discard safety data
    • Memorise all applications
    • Calculate exact volumes

  19. Which area features many applications of nanoparticles?

    • Tectonic plates
    • Medicine and cosmetics
    • Magma chambers
    • Nuclear fusion

  20. What is the best judgement for a nanomaterial with high benefit and low risk?

    • Always banned instantly
    • Useless in practice
    • Requires no safety checks
    • Appropriate if risks managed

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