Refer to CBSE Class 8 Science Synthetic Fibre and Plastics MCQs provided below available for download in Pdf. The MCQ Questions for Class 8 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 3 Synthetic Fibres and Plastics are an important part of exams for Class 8 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 8 Science and also download more latest study material for all subjects
MCQ for Class 8 Science Chapter 3 Synthetic Fibres and Plastics
Class 8 Science students should refer to the following multiple-choice questions with answers for Chapter 3 Synthetic Fibres and Plastics in Class 8.
Chapter 3 Synthetic Fibres and Plastics MCQ Questions Class 8 Science with Answers
Question. Polyester is made of repeating units of chemical called as -
(A) Ester
(B) Cotton
(C) Ether
(D) None of these
Answer : B
Answer : D
Answer : C
Answer : C
(B) Nylon
(C) Polythene
(D) PVC
(B) Cotton
(D) All the above
(B) Polystyrene
(D) Teflon
(B) Bakelite
(D) None of the above
(B) Polystyrene
(D) Teflon
(B) Polystyrene
(D) Thermocole
(B) Dacron
(D) Terylene
(B) Bakelite
(D) Polythene
(B) Detergents
(D) None of these
(B) Detergents
(D) None of these
(B) Na2CO3.H2O
(D) Na2CO3.10H2O
(B) Carbon dioxide
(D) All of these
(B) CaOCl2
(D) Ca(OCl2).2H2O
Question. Which of the following fibre is natural polymer:
(a) rayon
(b) cotton
(c) polyester
(d) polythene
Answer : B
Question. PET is a very familiar form of
(a) chemical
(b) monomer
(c) polyester
(d) polyphenyl
Answer : C
Question. Which Of The Following Is Not A Common Property Of Plastic?
(a) Non-reactive
(b) Light in weight
(c) Durable
(d) Good conductor of electricity
Answer : D
Question. The Material Similar To Silk In Appearance Is:
(a) Nylon
(b) Rayon
(c) Polyester
(d) Terylene
Answer : B
Question. Raw materials for preparation of synthetic fibres are obtained from
(a) coal
(b) petroleum
(c) natural gas
(d) all of these
Answer : D
Question. In Which Of The Following Statement Is Or Are Incorrect?
(a) Cotton fabrics do not wrinkle easily.
(b) Teflon is used to make non-stick cookware.
(c) Rayon is prepared by using wood pulp.
(d) Nylon is used for making parachute and stockings.
Answer : A
Question. Which of the following is not thermoplastics:
(a) acrylic
(b) polyethylene
(c) polystyrene
(d) melamine
Answer : D
Question. Cellulose is made up of a large number of ………………… units.
(a) glucose
(b) fructose
(c) protein
(d) none of these
Answer : A
Question. The plastic used for making water pipes :
(a) Melamine
(b) PVC
(c) Polyester
(d) Bakelite
Answer : B
Question. Which of the following is a bad conductor of electricity?
(a) Plastic
(b) Copper
(c) Steel
(d) Brass
Answer : A
Question. A chain of small chemical units combined to form a large single unit is called ____
(a) Polymer
(b) Poly
(c) Polythene
(d) None of the above
Answer : A
Question. Polythene and PVC are examples of
(a) Bio degradable substance
(b) Thermosetting plastics
(c) Thermoplastics
(d) Rayon
Answer : C
Question. Plastics which when moulded once, cannot be softened by heating. Such plastics are called ____
(a) Polythene
(b) Thermoplastics
(c) Polyster
(d) Thermosetting plastics
Answer : D
Question. Polycot is made by mixing two types of fibres namely
(a) Silk + Cotton
(b) Polythene + cotton
(c) Silk + Polyester
(d) Polyester + Cotton
Answer : D
Question. The 4 R Principle is
(a) Reduce, Reuse, Recycle, Recover
(b) Remember, reduce, Recycle, Rejoice
(c) Repeat, Rejoice, recycle, reduce
(d) None of the above
Answer : A
Question._____________ is an example of natural polymer
(a) Rayon
(b) Cellulose
(c) Nylon
(d) All of the above
Answer : B
Question. Which of the following is Non-biodegradable
(a) Woolen clothes
(b) Plastic bag,
(c) Cotton cloth
(d) Wood
Answer : B
Question. Bakelite and Melamine are examples of
(a) Thermosetting plastics
(b) Silk
(c) Nylon
(d) Rayon
Answer : A
Question. Fire proof plastic uniform worn by fire fighters has a coating of _____ to make it fire resistant.
(a) Nylon
(b) Rayon
(c) Melamine plastic
(d) Silk
Answer : C
Question. The coating on modern non- stick cookware and electric iron is of
(a) Terrycot
(b) Rayon
(c) Polyester
(d) Teflon
Answer : D
Question. Which of the following is a natural fibre?
(a) Wool
(b) Nylon
(c) PVC
(d) Polythene
Answer : A
Question. Which of the following is a characteristic of plastics?
(a) Electrical conductors
(b) Heat conductors
(c) Biodegradable
(d) Non-biodegradable
Answer : D
Question. Pick The Synthetic Fibre Out Of The Following:
(a) Cotton
(b) Nylon
(c) Jute
(d). Wool
Answer : B
Question. The plastic which cannot be recycled is
(a) jute
(b) rayon
(c) petrochemicals
(d) bakelite
Answer : D
Question. Which of the following are made from thermosetting plastic?
(a) Bottles
(b) Crockery
(c) Shoes
(d) Handbags
Answer : B
Question. Wood pulp is used to make
(a) plastic
(b) wool
(c) jute
(d) rayon
Answer : D
Question. Which of the following once set do not soften on heating:
(a) thermoplastic
(b) thermosetting plastic
(c) polvthene
(d) none of these
Answer : B
Question. Which of the following is natural fibre obtained from plants?
(a) Cotton
(b) Wool
(c) Rayon
(d) Ketone
Answer : A
Question. Which of the following cannot be recycled:
(a) plastic toys
(b) plastic bowls
(c) plastic covering on electric wires
(d) ball point pens
Answer : C
Question. Polymer present in plants is:
(a) cellulose
(b) nylon
(c) rubber
(d) P.V.C.
Answer : A
Question. Synthetic fibres are:
(a) strong
(b) durable
(c) hining
(d) all of these
Answer : D
Question. Which of the following garbage is biodegradable:
(a) broken plastics things
(b) fruit peels
(c) cement
(d) iron wastes
Answer : B
Question. Paheli Is Writing Some Statements. She Wants To Know In Which Of The Following Statements Is Or Are Incorrect?
(a) The fabric terry wool is obtained by mixing terylene and wool.
(b) It is risky to wear synthetic clothes while working in the kitchen.
(c) Most of the plastics are biodegradable.
(d) Synthetic fibres do not melt on heating.
Answer : D
Question. Which of the following is obtained from hair of an animal:
(a) nylon
(b) silk
(c) cotton
(d) wool
Answer : D
Question. A synthetic fibre resembling wool is:
(a) rayon
(b) nylon
(c) acrylic
(d) none of these
Answer : C
Question. Which of the following is natural fibre?
(a) Rayon
(b) Nylon
(c) Polyester
(d) Cotton
Answer : D
Question. Which of the following is used to make non-stick cookwares:
(a) polyester
(b) teflon
(c) rayon
(d) nylon
Answer : B
Question. Polycot Is Obtained By Mixing:
(a) Nylon and wool
(b) Polyester and wool
(c) Nylon and cotton
(d) Polyester and cotton
Answer : D
Question. Which of the following fibre has highest tensile strength?
(a) Cotton
(b) Silk
(c) Rayon
(d) Nylon
Answer : D
Question. PET is form of:
(a) steel
(b) glass
(c) polyester
(d) nylon
Answer : C
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MCQs for Chapter 3 Synthetic Fibres and Plastics Science Class 8
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