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Synthetic Fibers and Plastics

Synthetic Fibers and Plastics, Science, Chemistry, VIII, Man-made, Fibers, Polymers, Materials in Daily Life, Fabrics in Daily Life

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statement/s is correct?

(a) Nylon thread is stronger than steel wire.
(b) Rayon is obtained from wood pulp.
(c) Nylon was developed in London.

  1. Only a
  2. Only b
  3. Only c
  4. Both a and b
  5. Both b and c
Question 2 Multiple Choice (Single Answer)

Which of the following synthetic fibres is/are used for making a device used to slow down the movement of an object as it falls or moves through the air?

  1. Acrylic
  2. Nylon
  3. Cotton
  4. Polyester
  5. Both (1) and (2)
Question 3 Multiple Choice (Single Answer)

Which of the following fibres is used as a cheaper substitute of wool?

  1. Rayon
  2. Teflon
  3. Acrylic
  4. Nylon
  5. Terylene
Question 4 Multiple Choice (Single Answer)

Which of the following is stronger than steel wire?

  1. Cotton fiber
  2. Silk thread
  3. Plastic thread
  4. Nylon fiber
  5. Both 1 and 2
Question 5 Multiple Choice (Single Answer)

Name a polymer occurs naturally?

  1. woollen
  2. cellulose
  3. rayon
  4. petrochemicals
  5. both (1) and (2)
Question 6 Multiple Choice (Single Answer)

The raw materials for manufacturing synthetic fibres are obtained from
(a) wood
(b) coal
(c) petroleum
(d) water

  1. Both (a) and (b)
  2. Both (a) and (d)
  3. Both (b) and (c)
  4. (a), (b) and (c)
  5. (b), (c) and (d)
Question 7 Multiple Choice (Single Answer)

All the synthetic fibres are prepared by a number of processes using raw material obtained from

  1. animals
  2. bacteria
  3. plants
  4. dead organisms
  5. none of these
Question 8 Multiple Choice (Single Answer)

Which of the following statements is / are true?
(a) Synthetic fibers are very durable.
(b) Synthetic fibers are no attacked by insects or pests.
(c) Synthetic fibers are environment friendly.
(d) Plastics which, moulded once can be softened by heating are called thermosetting plastics.

  1. a, b and c
  2. a, b, c and d
  3. b, c and d
  4. both b and d
  5. both a and b
Question 9 Multiple Choice (Single Answer)

Which of the following options is not a part of the 4R principle?

  1. Reduce
  2. Reuse
  3. Refuse
  4. Recycle
  5. Recover
Question 10 Multiple Choice (Single Answer)

Which of the following materials is used in the making of a fireman's uniform?

  1. Teflon
  2. Melamine
  3. Ryon
  4. Acrylic
  5. Terylene
Question 11 Multiple Choice (Single Answer)

Which of the following statements is incorrect?

  1. Catenation is a unique property of carbon.
  2. Plastics that get deformed easily are called thermoplastics.
  3. Plastics are long chain molecules containing repeating units.
  4. Synthetic fibers are non-biodegradable.
  5. Nylon is made from coal, water and carbon.
Question 12 Multiple Choice (Single Answer)

Which of the following is/are matched correctly?
(a) PVC - Thermoplastic
(b) PET - Thermosetting plastic
(c) Polyethylene - Thermoplastic

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of these
  5. Both (2) and (3)
Question 13 Multiple Choice (Single Answer)

The fiber resembles wools is _________

  1. Terylene
  2. Acrylon
  3. Polyester
  4. Nylon
  5. Both 1 and 2
Question 14 Multiple Choice (Single Answer)

Which of the following types of plastic is/are used to make electric plugs and switches?

  1. PVC
  2. Bakelite
  3. Melamine
  4. Both (2) and (3)
Question 15 Multiple Choice (Single Answer)

Which of the following objects can be recycled?
(a) Cooker handles
(b) Plastic toys
(c) Plastic carry bags
(d) Wooden chairs
(e) Ballpoint pens

  1. a, c and d
  2. b, c, d and e
  3. both a and d
  4. both b and c
  5. a, b, c, d and e
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