Quiz

Question: Which of the following is the lowest cost plastic commercially available?
Options:
A.Polythene
B.Teflon
C.Bakelite
D.PVC
Answer: Option A

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More Questions on This Topic :

Question 1. Polystyrene is a light, transparent, thermoplastic material used for making
  1.    Toys and combs
  2.    Packaging bags
  3.    Non-sticking utensils
  4.    Electrical insulation
Answer: Option A
Question 2. The physical state in which polymers exist is
  1.    Melts & rubber like state
  2.    Amorphous glassy state
  3.    Partially crystalline state
  4.    All of the above
Answer: Option D
Question 3. Polyurathane can not be used to make
  1.    Automobile cushion
  2.    Thermal insulation in refrigerator
  3.    Coating and adhesive
  4.    Fibre reinforced plastic (FRP)
Answer: Option D
Question 4. Thermosetting polymers as compared to thermoplastic polymers
  1.    Are formed by addition polymerisation
  2.    Have three dimensional structure
  3.    Have linear structure
  4.    None of these
Answer: Option B
Question 5. Thermosetting resins/polymers as compared to thermoplastic ones are
  1.    Soluble in all organic solvents
  2.    More brittle
  3.    Formed by addition polymerisation only
  4.    Easily reshaped & reused
Answer: Option B
Question 6. Polyurathane can not be used for making
  1.    Mattresses & foam
  2.    Coating material
  3.    Adhesives
  4.    Bottles
Answer: Option D

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