1
AP EAPCET 2025 - 26th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A polymer sample contains 10 molecules each with molecular mass 5,000 and 5 molecules each with molecular mass 50,000 . The number average molecular mass of the polymer sample is

A

$2 \times 10^4$

B

$3 \times 10^4$

C

$2 \times 10^5$

D

$3 \times 10^5$

2
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of linear and crosslinked polymers in the following respectively are

Novolac, Nylon 6,6, Bakelite, PVC, melamine

A

1, 4

B

4,1

C

2,3

D

3,2

3
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the statements, regarding $X$ is not correct?

3-Hydroxybutanoic acid +3 -Hydroxypentanoic acid $\rightarrow X$

A

It is a condensation polymer

B

It is non-biodegradable

C

It is used in orthopaedic devices

D

It is known as PHBV

4
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Consider the following

Statement I Nylon 6 is a condensation copolymer.

Statement II Nylon 6, 6 is a condensation polymer of adipic acid and tetra-methylene diamine.

The correct answer is

A

Both statement-I and Statement-II are correct.

B

Statement-I is correct, but Statement-II is not correct.

C

Statement-I is not correct, but Statement-II is correct.

D

Both statement-I and Statement-II are not correct.

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