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JAMB Chemistry 2000 Question 34

Question 34

Polymers

The substance often use for vulcanization of rubber is

  1. A.chlorine
  2. B.hydrogen peroxide
  3. C.sulphur
  4. D.tetraoxosulphate (VI) acid.
Show the answer and explanation

Answer: C (sulphur)

Explanation

Vulcanization is heating rubber with sulphur, which forms cross-links and makes the rubber harder and more elastic.