Multiple choice Polythene is industrially prepared by the polymerization of ______. Methane Styrene Acetylene Ethylene Reveal answer Fill a bubble to check yourself D Correct answer Explanation Polythene (polyethylene) is produced by polymerization of ethylene (ethene) monomers. The polymer consists of long chains of -CH2-CH2- units formed by addition polymerization. This is one of the most widely used plastics globally.