Gujarat BoardEnglish MediumSTD 12 ScienceChemistryPolymers1 Mark
MCQ
Rubber is heated with sulphur and the process is known as:
A
Galvanization
✓
Vulcanization
C
Bessemerization
D
Sulphonation
✓
Answer
Correct option: B.
Vulcanization
Natural Rubber is heated in the presence of sulphur. This produces cross$-$linking and leads to a harder material that is markedly more resistant to heat and relatively more elastic. This process is called vulcanization.
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