KEAM 2020 Physics and Chemistry Solved Paper

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Question : 106 of 120

Marks: +1, -0

Which one of the following sets forms the biodegradable polymer?

3-Hydroxybutanoic acid and 3-hydroxypentanoic acid.
Acrylonitrile and 1,3-butadiene.
Urea and formaldehyde.
Ethylene glycol and terephthalic acid.
Adipic acid and hexamethylene diamine.

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