12th-Chemistry 1. chapter-1-the-solid-state 2. chapter-2-solutions 3. chapter-3-electrochemistry-concepts 4. chapter-4-chemical-kinetics 5. chapter-5-surface-chemistry 6. chapter-6-general-principles-and-processes-of-isolation-of-elements 7. chapter-7-p-block-elements 8. chapter-8-the-d-and-f-block-elements 9. Chapter-9-solved-sample-paper-1 10. chapter-10-haloakanes-and-haloarenes 11. insolation 12 chapter-12-aldehydes-ketones-and-carboxylic-acids 13. chapter-13-amines 14. chapter-14-biomolecules 15. chapter-15-polymers 16. chapter-16-chemistry-in-everyday-life 17. chapter-17-coordination-compounds