Rubber is heated with sulphur and the process is known as:
A
Galvanization
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B
Vulcanization
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C
Bessemerization
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D
Sulphonation
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Solution
The correct option is 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.