Chemistry Form 3 Lessons Difficult to Learn, Difficult to Teach Lesson Concepts Sulphur and it’s Compound – AronVolumetric AnalysisHydrogen SulphideTitrationNitric Acid Mole ConceptHydrocarbonsProperties of AlkanesProperties of AlkenesIntroduction to Organic Chemistry Organic Chemistry – PolymerisationHydrogen ChlorideSulphur and it’s Compounds – Justus