Synthetic Fibers and Plastics class 8 chapter 3(part-1) Science Ncert
Content:- • Natural Fibers and Synthetic Fibers • What are Synthetic Fibers • Monomers and polymers • Rayon,Nylon and Polyester For more videos Subscribe my channel https://www.youtube.com/channel/UCELY_kbEgHeZ-DqHbuPiHpQ