Q.

The process of improving the quality of rubber by heating it with sulphur is called.

A. Vulcanization
B. Acceleration
C. Sulphonation
D. Galvanization
Answer» A. Vulcanization
Explanation: Vulcanization is a chemical process for converting natural rubber into more durable materials via the addition of sulfur or other equivalent curatives or accelerators. These additives modify the polymer by forming cross- links (bridges) between individual polymer chains.
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