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37. (a)How are polymers classified based on source?(b)What is Vulcanization? Write the structure of Isoprene. |
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Answer» 1. Natural polymers, Synthetic polymers, Semi-synthetic polymers 2. Vulcanization is a chemical process used to harden rubber. Vulcanization traditionally referred to the treatment of natural rubber with sulfur and this remains the most common example, however the term has also grown to include the hardening of other rubbers via various means. |
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