What you’ll learn3 learning objectivesChoose one objective for a focused lesson, or study the complete topic.35.3.1Poly(alkenes) are chemically inert• Recognise that poly(alkenes) are chemically inert and can therefore be difficult to biodegradeSyllabus objective35.3.2Some polymers can be degraded by the action• Recognise that some polymers can be degraded by the action of lightSyllabus objective35.3.3Biodegradable polyesters and polyamides• Recognise that polyesters and polyamides are biodegradable by acidic and alkaline hydrolysisSyllabus objective