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Q: The main element used in the vulcanisation of rubber is

  • 1
    nickel
  • 2
    copper
  • 3
    sulphur
  • 4
    graphite
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Answer : 3. "sulphur"
Explanation :

Answer: C) sulphur Explanation: In vulcanization, cruder rubber is heated with 3% sulphur at about for 1200C for 2-3 hours. Vulcanised rubber is a vastly improved product.

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