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What is the function of sulphur in the vulcanization process of rubber?

Options

  1. ASulphur is added to increase the solubility of rubber in water.
  2. BSulphur is added to enhance the color of the rubber.
  3. CSulphur is added to create cross-links between polymer chains, improving the rubber's properties.
  4. DSulphur is added to make the rubber more rigid.

Correct answer

C. Sulphur is added to create cross-links between polymer chains, improving the rubber's properties.

Step-by-step solution

Sulphur is added during vulcanization to create cross-links between polymer chains in rubber, improving its properties such as elasticity and resilience.

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