Synthetic fibres and plastics, Class 8 science | NCERT Science in kannada

Описание к видео Synthetic fibres and plastics, Class 8 science | NCERT Science in kannada

00:00 introduction
04:16 Natural and Artificial Fibres
07:25 What are Synthetic Fibres?
10:40 Types of Synthetic Fibres
10:53 Rayon
18:44 Nylon
23:55 Polyester and Acrylic
36:05 Characteristics of Synthetic Fibres
41:26 Plastics
50:58 Thermosetting plastics and Thermoplastics
57:36 Plastics as Materials of
Choice
1:09:40 Plastics and the Environment

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