Multiple choice

Which of the following non-metals is used in vulcanisation of rubber?

  1. Carbon

  2. Sulphur

  3. Hydrogen

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vulcanisation is the chemical process of heating rubber with sulphur to improve its properties - making it harder, more durable, and more elastic. Sulphur forms cross-links between rubber polymer chains. This process was discovered by Charles Goodyear and revolutionized rubber industry.

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