HKDSE chemistry 5**化學影片 Topic 8 Chemistry of Organic Compounds 29 Selected Homologous Series 30 Isomerism 31 Typical Reactions of Selected Homologous Series 32 Synthesis of Organic Compunds 33 Important Organic Compounds 唔明?點撃預約$99試堂! 想下載dse試卷?Click here! 想睇埋Biology影片?Click here! 想睇埋Physics影片?Click here!