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Chhattisgarh Board Class 8 Science Chapter 2 Solution

Last updated on February 6th, 2024 at 12:55 am

CG Board Class 8 Synthetic Fibres & Plastics

 

Chhattisgarh Board Class 8 Science Chapter 2 Solution Textbook question and answers as well as extra question and answers from the chapter

 

Choose the correct answer-

(i) Synthetics fibres are –

  • (a) Fibres obtained from plants.
  • (b) Fibres obtained from animals.
  • (c) Fibres made from chemicals
  • (d) All the above

 

(ii) The type of plastic used in making combs is –

  • (a) Thermosetting plastic
  • (b) Thermoplastic
  • (c) (a) and (b) both
  • (d) Neither (a) nor (b)

 

(iii) Clothes of firemen are made from –

  • (a) Teflon
  • (b) Melamine
  • (c) Bakelite
  • (d) Thermoplastic

 

Artificial silk is –

  • (a) Nylon
  • (b) Polyester
  • (c) Rayon
  • (d) Acrylic

 

(v) PET is

  • (a) Nylon
  • (b) Polyester
  • (c) Rayon
  • (d) Acrylic

 

Match the terms of column A correctly with the given in column B

A                         B

Rayon used in — making parachutes and ropes

Nylon fabrics — do not wrinkle easily

Thermoplastic made — from wood pulp

Polyester can’t be — moulded upon heating

Thermosetting plastic — can be moulded easily by heating

 

Q- Name any three objects made from nylon that shows its strength.

A- Three objects made from nylon that showcase its strength are:Parachutes,  Ropes,   Socks.

 

Q- Why PET containers are preferred to store food items?

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