Chemistry GCSE
Surface protection
What Surface protection means in Chemistry GCSE, as defined for AQA.
Definition of Surface protection
Check what you remember
Read the wording for your board, then hide it and explain Surface protection in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The strongly bonded, unreactive layer seals the metal underneath from oxygen and water, and if scratched it reforms immediately in air.
Topics that use Surface protection
- Corrosion and its prevention (AQA GCSE)
Related terms
- Corrosion resistance
- Barrier protection
- Corrosion
- Electroplating
- Galvanising
- Oxide layers
- Reactivity of metals
- Rusting
Using Surface protection in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge