1
MCQ (Single Correct Answer)

AIPMT 2012 Mains

Which one of the following sets forms the biodegradable polymer?
A
B
C
D

Explanation

Biodegradable polymer is Nylon-2-Nylon-6 which is copolymer of glycine (H2N ā€“ CH2ā€“ COOH) and amino caproic acid (H2Nā€“(CH2)5 ā€“ COOH).
2
MCQ (Single Correct Answer)

AIPMT 2012 Prelims

Which of the following statements is false?
A
Artificial silk is derived from cellulose.
B
Nylon-6, 6 is an example of elastomer.
C
The repeat unit in natural rubber is isoprene.
D
Both starch and cellulose are polymers of glucose.

Explanation

Nylon 6, 6 is an example of fibers.
3
MCQ (Single Correct Answer)

AIPMT 2012 Prelims

Which one of the following is not a condensation polymer?
A
Melamine
B
Glyptal
C
Dacron
D
Neoprene

Explanation

Neoprene is an addition polymer.
4
MCQ (Single Correct Answer)

AIPMT 2011 Prelims

Of the following which one is classified as polyester polymer?
A
Terylene
B
Bakelite
C
Melamine
D
Nylon-6,6

Explanation

Terylene (Dacron) is a polyester polymer.

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