The present book updates the subject content on various chemical reactions, metal chemistry, environmental chemistry, bio-chemistry and material science. The book will be helpful for the researchers, academia working in the field of dynamics and catalytic mechanism, sulphur dioxide oxidation; synthesis and application of transition metal, catalysts for the conversion gases; DNA binding and cleavage study of copper surfactant complexes; thermodynamics, kinetics study of arsenic removal from waste water; activated carbon from saw dust; transport of poly-fluorinated alkyl substances (PFAs) in environment; binding and interaction metal ions with protein; and graphene filler in nano and micro composite. Contents:– Dynamics and Mechanism of CO2O3 Catalyzed and Organics inhibited Sulphur dioxide Oxidation in Environment; Recent Advances in the Synthesis and Application of Transition Metal Hydrotalcite based Catalysts for the Conversion of Two High GWP Gases N2O and CH4; DNA Binding and Cleavage Study of Copper Surfactant Complexes with Benzothiazole; Thermodynamics, Kinetics Study and Statistical Approach of Arsenic Removal in Waste Water utilizing Activated Carbon from Saw Dust in different Impregnation Ratio; Fate and Transport of Per- and Poly-fluorinated Alkyl Substances (PFAS) in the Environment; Binding and Interaction Studies of Metal ions with Protein by Spectrophotometric and Viscometric Methods; New Method and Machine for Manufacturing of Laser Irradiated Nano and Micro Composite with Graphene Filler