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Polymers
Question
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Explain with suitable examples:
(i)    Natural polymers
(ii)   Synthetic polymers.

Answer

(i) Natural polymers: Polymers found in nature, mostly from plants and animals, are called natural polymers. Examples are starch, cellulose, proteins, nucleic acids and natural rubber.
(ii) Synthetic polymers: Polymers synthesised by human in laboratory or factory are called synthetic polymers. Examples are polypropylene, nylon-66, polybutadiene, polyvinyl chloride (PVC), phenol formaldehyde (Bakelite), polyester (Terylene).

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Some More Questions From Polymers Chapter

Classify the following as addition and condensation polymers:
Terylene, Bakelite, Polyvinyl chloride, Polythene.

Explain the difference between Buna-N and Buna-S.

Arrange the following polymers in increasing order of their intermolecular forces.
Nylon 6, 6, Buna-S, Polythene.

Arrange the following polymers in increasing order of their intermolecular forces.
Nylon-6, Neoprene, Polyvinyl chloride.

Explain the terms polymer and monomer.

How do you explain the functionality of a monomer?

Define the term polymerization.

Is (NH—CHR—CO)n, a homopolymer or copolymer?

What is the basic unit of polymer called?