KEAM 2015 Physics and Chemistry Paper

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Question : 85 of 120

Marks: +1, -0

Which one of the following monomers form biodegradable polymer?

Urea and formaldehyde
Ethylene glycol and terephthalic acid
3-hydroxybutanoic acid and 3-hydroxypentanoic acid
Phenol and caproic acid
Adipic acid and hexamethylcnediamine

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