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Question

Commercial vulcanisation of rubber involves ________.

A
sulphur
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B
carbon
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C
phosphorus
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D
selenium
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Solution

The correct option is A sulphur
Vulcanization or vulcanisation is a chemical process for converting natural rubber or related polymers into more durable materials by 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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