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MHT CET Chemistry Polymers 2026 MHT CET 2026 (16 April Shift 1)

MHT CET Chemistry Question (2026) — Solution

Question

Which of the following processes develops cross-links in elastomer?

Options

  1. A. galvanization
  2. B. vulcanization
  3. C. polymerization
  4. D. hydration

Answer

B. vulcanization

Step-by-step solution

Vulcanization is the chemical process of heating natural rubber with sulfur to improve its physical properties. During this process, sulfur forms cross-links between the polyisoprene chains of the elastomer, which makes the rubber harder, stronger, and more elastic. Galvanization is the process of applying a protective zinc coating to iron or steel to prevent rusting. Polymerization is the process of forming a polymer from monomers. Hydration is the addition of water molecules to a substance. Answer: vulcanization

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