Question 1: Palette 1/22

AP-EAPCET 2025 MCQ

$ \text { Match the following : } $

$ \begin{array}{llrl} \hline & \text { List-I (Use) } & & \text { List-II (Substance) } \\ \hline \text { A. } & \text { Electrodes in batteries } & \text { I. } & \text { Polypropylene } \\ \hline \text { B. } & \text { Welding of metals } & \text { II. } & \text { Polyacetylene } \\ \hline \text { C. } & \text { Toys } & \text { III. } & \text { Oxyacetylene } \\ \hline \end{array} $

The correct answer is

A

A-III, B-II, C-I

B

A-II, B-III, C-I

C

A-II, B-I, C-III

D

A-I, B-II, C-III

Question 2: Palette 2/22

AP-EAPCET 2025 MCQ

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

$3 \times 10^5$

Question 3: Palette 3/22

AP-EAPCET 2025 MCQ

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

Question 4: Palette 4/22

AP-EAPCET 2025 MCQ

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

Question 5: Palette 5/22

AP-EAPCET 2025 MCQ

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.

Question 6: Palette 6/22

AP-EAPCET 2025 MCQ

What are $X$ and $Y$ in the following reaction?

$ n \mathrm{ClCH}=\mathrm{CH}_2 \xrightarrow{x} Y $

A

$\mathrm{Na} / \mathrm{NH}_3(\mathrm{I})$ - Thermosetting polymer

B

$\left(\mathrm{C}_6 \mathrm{H}_5 \mathrm{COO}\right)_2$ - Thermoplastic polymer

C

$\mathrm{Na} / \mathrm{NH}_3(l)$ - Condensation polymer

D

$\left(\mathrm{C}_6 \mathrm{H}_5 \mathrm{COO}\right)_2$ - Network polymer

Question 7: Palette 7/22

AP-EAPCET 2025 MCQ

Which of the following properties is not correct for silicones?

A

Bio compatible

B

High thermal stability

C

Low dielectric strength

D

Water repelling in nature

Question 8: Palette 8/22

AP-EAPCET 2025 MCQ

$ \text { Match the following. } $

Correct answer is

A

A-III, B-V, C-I, D-II

B

A-I, B-II, C-IV, D-III

C

A-II, B-IV, C-I, D-III

D

A-II, B-IV, C-V, D-I

Question 9: Palette 9/22

AP-EAPCET 2025 MCQ

The correct statement regarding $X$ and $Y$ in the following set of reactions is

A

$X$ is HDP and $Y$ is LDP.

B

$X$ is LDP and $Y$ is HDP.

C

$X$ is used in the preparation of flexible pipes and $Y$ is used in manufacturing squeeze bottles.

D

$X$ is used in insulation of electricity carrying wires, $Y$ is used in manufacturing of bottles.

Question 10: Palette 10/22

AP-EAPCET 2025 MCQ

Novolac is formed by the polymerisation of monomer ' $x$ ' in the presence of $\mathrm{OH}^{-}$ions. What is ' $x$ '?

A

B

C

D

Question 11: Palette 11/22

AP-EAPCET 2025 MCQ

Which of the following is the common monomer for the polymers bakelite and melamine?

A

B

C

$\mathrm{HO}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}$

D

$\mathrm{CH}_3-\mathrm{OH}$

Question 12: Palette 12/22

AP-EAPCET 2025 MCQ

In which polymer preparation, Ziegler- Natta catalyst is used?

A

Low density polythene

B

Telfon

C

Polyacrylonitrile

D

High density polythene

Question 13: Palette 13/22

AP-EAPCET 2024 MCQ

Polymers that can be softened on heating and hardened on cooling are called

A

thermosetting polymers

B

bakelite

C

fibres

D

thermoplastic polymers

Question 14: Palette 14/22

AP-EAPCET 2024 MCQ

Which of the following is correct statement?

A

Starch is a polymer of $\beta$-D-glucose

B

Amylose is a components of starch

C

Proteins are biopolymers of only one type of amino acids

D

Lactose is a disaccharide of $\alpha-D$ - glucose and $\beta$-D galactose

Question 15: Palette 15/22

AP-EAPCET 2024 MCQ

$ \text { Match the following. } $

List-I (Polymers)		List-II (Type)
A.	Buna- N -rubber	I	Fibre
B	Terylene	II	Thermosetting polymer
C	Polystyrene	III	Elastomer
D	Urea-formaldehyde resin	IV	Thermosplastic polymer

A

A - III, B - I, C - IV, D - II

B

A - III, B - IV,C $-1, \mathrm{D}-II{}$

C

A - I, B - II, C - III, D - IV

D

A - IV, B - III, C $-11, \mathrm{D}$-I

Question 16: Palette 16/22

AP-EAPCET 2024 MCQ

The correctly matched set of the following is

A

polystyrene - copolymer - thermoplastic

B

Bakelite - addition polymer - thermosetting

C

Nylon 6 - homopolymer- fibre

D

Buna- N - homopolymer - elastomer

Question 17: Palette 17/22

AP-EAPCET 2024 MCQ

$ \text { The common monomer for both terylene and glyptal is } $

A

B

C

D

Question 18: Palette 18/22

AP-EAPCET 2024 MCQ

Which of the following polymerisation leads to the formation of neoprene ?

A

B

C

D

Question 19: Palette 19/22

AP-EAPCET 2024 MCQ

$ \text { Which of the following is an example for fibre? } $

A

B

C

D

Question 20: Palette 20/22

AP-EAPCET 2024 MCQ

PHBV is a biodegradable polymer of two monomers $X$ and $Y . X$ and $Y$ respectively are.

A

B

C

D

Question 21: Palette 21/22

AP-EAPCET 2024 MCQ

A polymer $X$ is biodegradable and is obtained from the monomers $Y, Z$. What are $Y$ and $Z$ ?

A

B

C

D

Question 22: Palette 22/22

AP-EAPCET 2022 MCQ

The catalyst used in the manufacture of polyethylene is a mixture of

A

$\mathrm{Ti}, \mathrm{Al}\left(\mathrm{CH}_3\right)_3$

B

$\mathrm{Ti}, \mathrm{CH}_3 \mathrm{MgBr}$

C

$\mathrm{TiCl}_3, \mathrm{Si}\left(\mathrm{CH}_3\right)_4$

D

$\mathrm{TiCl}_4, \mathrm{Al}\left(\mathrm{CH}_3\right)_3$