Chemistry A-Level
biodegradability
What biodegradability means in Chemistry A-Level, as defined for AQA.
Definition of biodegradability
Check what you remember
Read the wording for your board, then hide it and explain biodegradability in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Micro-organisms use enzymes to do the same chemistry slowly in soil and water, which is what makes these polymers biodegradable.
Topics that use biodegradability
- Biodegradability and disposal of polymers (A-level only) (AQA A-Level)
Related terms
- hydrolysis of links
- incineration and energy recovery
- landfill
- recycling
- toxic combustion products
- nucleophilic attack
Using biodegradability 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 A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge