Correct Answer: Rayon
Subject: chemistry
Explanation: • <b>Key Fact</b> Rayon is a semi-synthetic fiber, whereas Nylon, Carbon fiber, and Orlon are fully synthetic fibers. • <b>Supporting Detail</b> Rayon is obtained by the chemical treatment of wood pulp (cellulose, which is a natural fiber). • <b>Related Concept</b> Nylon is a polyamide polymer made from Hexamethylene diamine and adipic acid. • <b>Why wrong options are wrong</b> Options A, B, and D are fully created from chemicals in industries (Synthetic Polymers). • <b>Exam Trick</b> Rayon is "Re-born" cellulose. It bridges natural (wood pulp) and synthetic processes. • <b>Additional Info</b> Orlon (synthetic wool) is made from Acrylonitrile and used as a substitute for wool.
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