Synthetic fibres and Plastics Class 8 MCQ Science

Attempt now to check your rank among 45 students! 30 Questions 20 Mins

About this Quiz

This Synthetic fibres and Plastics Class 8 MCQ test contains random 30 Objective Questions. You have select one correct answer among given options.

Synthetic fibres and Plastics Class 8 MCQ With Answers

1. Which of the following is the first fully synthetic fibre?

  • Rayon
  • Nylon
  • Polyester
  • Acrylic

2. Out of the following materials :: a. Which materials are polyesters? b. Which material is a polyamide?

  • cotton, nylon
  • terylene, wool
  • cotton,wool
  • terylene, nylon

3. Select 2 polyester fibres

  • Polythene
  • PET
  • Terylene
  • Melamine

4. Synthetic fibres are synthesised from a raw material called ________.

  • PET
  • PVC
  • petrochemicals
  • thermosetting plastics

5. A polymer is a chain of many small units joined together which is called

  • synthetic fibres
  • monomers
  • PVC
  • None of these

6. Carpets are made from?

  • Rayon and Cotton
  • Cotton and Wool
  • Rayon and Wool
  • Wool

7. Terylene + cotton =

  • terrysilk
  • terrywool
  • terycot
  • none

8. A polymer is a chain of many small units joined together which is called

  • synthetic fibres
  • monomers
  • PVC
  • None of these

9. Many small unit combine together to form a large unit called _________

  • polymer

10. Which fibre is used to make swimming dresses

  • Rayon
  • Silk
  • Acrylic
  • Nylon

11. Mention the type of polymer.

  • linear
  • natural
  • cross linked
  • synthetic

12. Polymers are made up of small units called

  • layers
  • molecules
  • cells
  • monomers

13. The synthetic fibre best suited to make this is ______ and is due to its _____property.

  • Polyester, Elasticity
  • Nylon,Elasticity
  • Polyester, High tensile strength
  • Nylon, High tensile strength

14. Name the form of polyester which is replacing materials like glass and used for making bottles and jars.

  • Polymer
  • Plastic
  • PET
  • PVC

15. The plastics which gets deformed easily on heating and can be bent easily is called ________

  • thermoplastics
  • thermoplastic

16. ________is a synthetic fibre which remains crisp and is easy to wash. It is quite suitable for making dress material.

  • Acrylic
  • Polyester
  • Rayon
  • Nylon

17. _________fibre is stronger than a steel wire and is used for making parachutes and ropes for rock climbing.

  • Polyester
  • Acrylic
  • Rayon
  • Nylon

18. Polymer means_______________

  • One unit
  • Many units
  • Units
  • Polyester

19. Which of the following is bio degradable? (More than one answer can be correct)

  • Peels of vegetables and fruits
  • Paper
  • Cotton clothes
  • Metals

20. Plastics which get deformed easily on heating and can be bent easily are known as thermoplastics

  • Ture
  • False

21. Mention the type of polymer.

  • linear
  • natural
  • cross linked
  • synthetic

22. Polythene and PVC are examples of

  • Bio degradable substance
  • Thermoplastics

23. PVC stands for :

  • Polyvinyl chloride
  • Poly-Ethylene Terephalate
  • Premature Ventricular Contraction
  • All of above

24. Which of the following is used to make non-stick cookwares?

  • Polyester
  • Teflon
  • Rayon
  • Nylon

25. Which type of Plastic is this?

  • Thermoplastic
  • Thermosetting plastic

26. What are the 2 types of plastics:

  • Thermoplastic and Thermosetting plastics
  • Thermosetting plastics and PVC
  • Thermoplastic and bakelite
  • None of the above

27. PET is a type of

  • Nylon
  • Rayon
  • Acrylic
  • Polyster

28. Which synthetic fibre is known as artificial silk

  • Nylon
  • Rayon
  • Acrylic
  • None of the above

29. Property of Polyster

  • Wrinkly
  • Lustrous
  • Crisp
  • All of these

30. Tents are made from

  • Rayon
  • Plastic
  • Polyester
  • Nylon

Enjoyed the Quiz. Share this with friends

Comments

Add Your Review

Your email address will not be published.

Subscribe to Newsletter!

Subscribe to get latest updates and information.