A) Starch
B) Nucleic acid
C) Polystyrene
D) Protein
Correct Answer: C
Solution :
Polymers which are made by successive addition of monomer units to growing chain are called chain growth polymers. These are also called addition polymers because these are the product of addition reaction. Among the given only polystyrene is formed by the addition reaction between styrene molecules. While starch, nucleic acid and protein are the product of condensation reaction.
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