This book covers key areas of chemistry and other related fields. The contributions by the authors include scavenging activity, phytochemicals, sequential cytotoxicity, kinetics, thallium(III), oxidation, succinic dihydrazide, 2-thioquinazolinone, alkylating agent (DMS/DES/PhCH2Cl), PEG-600, Ethanol, K2CO3, 2,6 diphenyl piperidine-4-one, cytotoxic compounds, alkylating agents and ?, ?-unsaturated compounds, heavy metals, bioaccumulation, evaporated phosphoric acid, ammonization, mono-and diammonium phosphate slurry, urea-phosphate-potassium, 4-Hydroxycoumarin, alkylation, sulfated tin oxide, catalysis and anti-coagulent activity, methylene blue, aqueous solution, adsorbents, domestic waste, acute periradicalar abscess, glutathione reductase, catalase, Gas Chromatography-Mass Spectrometry (GCMS), chemotype, electro-oxidation, electro-coagulation, dextrose, acoustic impedance, textile effluent, formaldehyde, HPLC analysis, melamine, cyanuric acid, ammeline, ammelide, high-performance liquid chromatography etc. This book contains various materials suitable for students, researchers and academicians of this area.