Identify the type of polymer.
(i) -A -A -A -A -A -A-
(ii) -A -B -B -A -A -A -B -A-

(i) Homopolymer, (ii) Copolymer

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(i) Natural polymer, (ii) Synthetic polymer

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(i) Linear polymer, (ii) Branched polymer

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(i) Fibre, (ii) Elastomer

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Solution

The correct option is A (i) Homopolymer, (ii) Copolymer
Homopolymer - If only one type of monomeric unit takes part to form a polymeric structure, it is called as a homopolymer.
Example = Glycogen, starch, chitin
Since (i) is made up of only A type of monomer, it is a homopolymer
Copolymer - If two types of monomeric units take part to form a polymeric structure, it is called as a copolymer.
Example = Nylon6-6, dacron, glyptal
Since (ii) is made up of A and B of monomer, it is a copolymer.

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