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Q.
Perspex can be used as a substitute of glass. Its monomer is
Polymers
Solution:
Polymethylmethylacrylate (PMMA) is a synthetic polymer of methylmethylacrylate. It is a transparent thermoplastic, often used as a lightweight or shatterresistant alternative to glass. It is sold under many different names like plexiglas, lucite, perspex, acrylic glass.