1)Law of conservation of mass.: The law of conservation of mass states that mass In an isolated system is neither created nor destroyed by chemical reactions or Physical transformations.
2)Chemical reaction.: process that Involves rearrangement of the molecular or ionic structure of a substance, as Distinct from a change in physical form or a nuclear reaction.
3)Combustion reaction: is An exothermic reaction in which something reacts with oxygen
4)Activation energy: the Minimum quantity of energy which the reacting species must possess in order to Undergo a specified reaction.
5)Inhibitor: A reaction inhibitor is a substance that decreases the Rate of, or prevents, a chemical reaction
6)Enzymes: a substance produced by a living organism which acts As a catalyst to bring about a specific biochemical reaction.
7)Catalyst: is a substance that speeds up a chemical reaction
8)Acid; a substance with particular Chemical properties
9)Isomer: each of two or more Compounds with the same formula but a different arrangement of atoms in the Molecule and different properties.
10)Polymerization.: is a process of Reacting monomer molecules together in a chemical reaction to form polymer Chains or three-dimensional networks