Question

21. Which of the polymer is a natural polymer?
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Answer 1

Answer:

Natural polymers occur in nature and can be extracted. They are often water-based. Examples of naturally occurring polymers are silk, wool, DNA, cellulose and proteins.

Answer 2

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Natural polymers include silk, hair, proteins and DNA, while synthetic (man-made) polymers include polyethylene, polypropylene and polyester. Addition polymerisation is the creation of a polymer by the adding together of monomers in a repeating pattern, with no resulting by-product.

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