Co-polymer is a polymer that is produced by polymerizing two or more different monomers. A co-polymer of butadiene and styrene is known as buna-S-rubber.
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22.
Give one example of a natural elastomer.
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23.Write the name and structure of the monomer of natural rubber.
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24.
State two properties of thermosetting polymers.
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25.State two properties of thermoplastic polymers.
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26.
Give two examples of thermoplastic polymers.
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27.
Give two examples of thermosetting polymers.
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28.
Arrange the following polymers in the increasing order of their intermolecular forces: Nylon-66, Buna-S, polythene.
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29.
Out of linear polymer and branched chain polymer which higher density?