SSC CGL
MediumQ. No. vulcanization-of-rubber-involves
Vulcanization of rubber involves
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AAddition of carbon black
BCross-linking by sulphur
CHydrogenation
DPolymerization
Correct Answer: Cross-linking by sulphurYour Answer: B
Vulcanization involves heating rubber with sulfur. Sulfur creates cross-links between polymer chains making it harder and more elastic.
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