Tuesday , July 5 2022
Synthetic Fibres and Plastics

NCERT 8th Class (CBSE) Science: Synthetic Fibres and Plastics – Quiz

NCERT 8th Class (CBSE) Science: Synthetic Fibres and Plastics – Quiz

25 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Synthetic Fibres and Plastics – Quiz:

  • Human-made materials are obtained from natural raw materials by chemical processes.
  • Polymers are materials with long chain molecules containing thousands of smaller molecules called monomers.
  • Synthetic fibres are made of polymers, many of them obtained from petroleum. They are cheaper and stronger than natural fibres.
  • Rayon is made from cellulose obtained from wood pulp. Nylon, polyester and acrylic are made entirely of chemicals and are strong, crease-resistant and absorb very little water.

Your Score:  

Your Ranking:  

Check Also

10th Science NCERT

Sources of Energy: 10th Science Chapter 14

Class: 10th Class Subject: Science Chapter: Chapter 14: Sources of Energy Quiz: – Questions MCQs: …