Complete Chemistry for Cambridge IGCSE Answers RoseMarie Gallagher & Paul Ingram BUY ACCESS 1. States of matter 2. Separating Substances 3. Atoms & Elements 4. Atoms Combining 5. Reacting Masses and Chemical Equations 6. Using Moles 7. Redox Reactions 8. Electricity & Chemical change 9. Energy Changes & Reversible Reactions 10. The Speed of a reaction 11. Acid Base & Salts 12. The periodic Table 13. The Behaviour of Metals 14. Making use of Metals 15. Air & Water 16. Some Non-metals & their Compounds 17. Organic Chemistry 18. Polymers 19. In the Labs