Most commonly used rubber vulcanising agent is___________________?
Correct answer: A. Sulphur
- A. Sulphur
- B. Bromine
- C. Platinum
- D. Alumina
Explanation
Sulphur is the conventional vulcanising agent for most general-purpose rubbers, forming cross-links between polymer chains on heating. Bromine, platinum, and alumina are not the standard vulcanising agent in this context.
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