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Cambridge IGCSE Chemistry (0620)

1. States of matter

2. Atoms, elements and compounds

3. Stoichiometry

4. Electrochemistry

5. Chemical energetics

6. Chemical reactions

7. Acids, bases and salts

8. The Periodic Table

10. Chemistry of the environment

11. Organic chemistry

12. Experimental techniques and chemical analysis

13. Assessed scientific skills

IGCSE/CAIE/Chemistry/Concept

9.5.3—Barrier methods prevent rusting by

Syllabus: 0620–2026–2027
Objective: 9.5.3
Level: —

9.5.3—Barrier methods prevent rusting by

Describe how barrier methods prevent rusting by excluding oxygen or water

ConceptIGCSE Chemistry