WBCS.LIVE practice question

Which element is added to natural rubber during the process of vulcanization to increase its strength and elasticity?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Carbon
  2. Phosphorus
  3. Sulfur
  4. Silicon

Correct answer and explanation

Correct answer: Sulfur

Explanation: āœ… Correct Answer: C) Sulfur šŸ“š Explanation: Vulcanization is a chemical process discovered by Charles Goodyear that involves heating natural rubber with sulfur. This creates cross-links between the polymer chains, making the rubber harder, more durable, and more resistant to heat and cold. Vulcanized rubber is essential for the manufacturing of vehicle tires and various industrial seals.