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Engineering Exams RRB-JE CMA (Chemical and Metallurgical Assistant) Technical Abilities 2025 22.04.25 Paper-2 Shift-2 Medium +1 -0.33
Which of the following monomers is used in the production of polythene?
Correct Answer: A. Ethene
Explanation: Polythene is a synthetic polymer created through the polymerization of ethene molecules, also commonly known as ethylene. During this chemical process, multiple ethene monomers, which consist of two carbon atoms connected by a double bond, link together to form long repeating chains. While other monomers like propene, vinyl chloride, and styrene are used to produce different plastics such as polypropylene, PVC, and polystyrene, ethene is the specific building block required to manufacture polythene.
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