Addition reaction - a reaction in which two or more molecules react to give a single product

Catalytic cracking - using catalyst in the cracking process to increase the rate of reaction

Chain reaction - serial reactions in which some products of previous reactions are the reactants of the following reactions

Cracking - the breaking down of larger hydrocarbon molecules with heat or catalyst to produce smaller hydrocarbon
molecules

Saturated hydrocarbon - a hydrocarbon in which all the carbon atoms are connected to each other by single bonds

Substitution reaction - a reaction in which an atom (or group of atoms) in a molecule is replaced by another atom (or group of atoms)

Unsaturated hydrocarbon - a hydrocarbon that has one or more double or triple bonds between the carbon atoms