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JAMB Chemistry 2020 Question 36

Question 36

Polymers

Vulcanization deals with the removal of

  1. A.a monomer
  2. B.the double bond
  3. C.the single bond
  4. D.a polymer
Show the answer and explanation

Answer: B (the double bond)

Explanation

In vulcanization sulphur reacts at the C=C double bonds of natural rubber, forming cross-links and using up double bonds; this makes the rubber harder and less sticky.