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CHEMISTRY MCQs

Total Questions : 2589 | Page 5 of 259 pages
Question 41. A polymeric substance used to make parachute is
  1.    Rayon
  2.    Viscose
  3.    Cotton
  4.    Terylene
 Discuss Question
Answer: Option B. -> Viscose
Question 42. PVC is obtained by the polymerisation of
  1.    Propane
  2.    Vinyl chloride
  3.    Styrene
  4.    Acetylene
 Discuss Question
Answer: Option B. -> Vinyl chloride
Question 43. The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :
  1.    Nylon 66
  2.    Terylene
  3.    Tollen's
  4.    Bakelite
 Discuss Question
Answer: Option A. -> Nylon 66
Question 44. Silicone is a polymer of
  1.    Tetraalkyl silane
  2.    Silicon tetrachloride
  3.    Dialkyl dichloro silane
  4.    Silane
 Discuss Question
Answer: Option C. -> Dialkyl dichloro silane
Question 45. Neoprene is a polymer of
  1.    Chloroprene
  2.    Isoprene
  3.    Isobutane
  4.    Isopentane
 Discuss Question
Answer: Option A. -> Chloroprene
Question 46. Neoprene is prepared by polymerisation of which of the following
  1.    2-chloro-1, 3-butadiene
  2.    2-methyl 1, 3-butadiene
  3.    1,3-butadiene
  4.    Acrylonitrile
 Discuss Question
Answer: Option A. -> 2-chloro-1, 3-butadiene
Question 47. The monomers of dacron are
  1.    Decane and decanol
  2.    Decanone and decanol
  3.    Ethylene glycol and terephthalic acid
  4.    Ethylene glygol and phthalic acid
 Discuss Question
Answer: Option C. -> Ethylene glycol and terephthalic acid
Question 48. Natural rubber is a polymer of
  1.    Vinyl acetate
  2.    Propene
  3.    Isoprene
  4.    Styrene
 Discuss Question
Answer: Option C. -> Isoprene
Question 49. What is a Bakelite ?
  1.    Solution
  2.    Acid
  3.    Base
  4.    Polymer
 Discuss Question
Answer: Option D. -> Polymer
Question 50. What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ?
  1.    There is a crackling sound
  2.    There is a violent explosion.
  3.    There is no reaction.
  4.    The paper ignites
 Discuss Question
Answer: Option B. -> There is a violent explosion.

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