CBSE Class 12 Chemistry Polymers Worksheet Set B

CBSE Class 12 Chemistry Polymers. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.




1.How does vulcanization change the property of rubber?

2.Explain the term ‘homopolymerisation’ giving an example. (2012)


1.What is PHBV? Give its importance.

2.Explain the term copolymerization and give two examples.

3.Give chemical equations for the preparation of (a) PHBV (b) Melamine

4.Differentiate between molecular structure and behaviours of thermoplastic and thermosetting polymers. Give one example of each type. (2012)


1.Arrange the following polymers in the increasing order of their intermolecular forces. Also classify them as addition and condensation polymers.

a) Nylon 6, 6 ; Buna –S , rubber , Polystyrene.

b) Nylon – 6, neoprene and PVC

c) Polystyrene, terylene, natural rubber (2013)

2.Explain the classification of polymers on the basis of structure?

3.Write the free radical mechanism for the polymerisation of ethene.

4.Give equations for the synthesis of

a) Terylene

b) Neoprene

c) Teflon (2011)

5.Write the (i) and (ii) use of each of the following polymers:(2010)

a) PVC

b) Urea – formaldehyde resin

c) Bakelite


1.Differentiate between:

a) Thermosetting and thermoplastics.

b) Addition and condensation polymers

c) LDP and HDP

d) Nylon-6 and Nylon-6,6

e) Homo-polymer and co-polymer


1.A large number of polymers are resistant to the environmental degradation and therefore they are responsible for the pollution due to their accumulation in the environment. Polythene which we use daily as carry bags is also one such polymer.

a) How can you as a responsible individual avoid the environmental degradation due to these polymers especially polythene?

b) What is biodegradable polymer? Give an example of biodegradable polymer.

c) Write a short note on aliphatic polyesters.

d) Write the values associated with the paragraph and biodegradable polymers.

Please click the link below to download full pdf file for CBSE Class 12 Chemistry Polymers.



Click to View or Download pdf file
Click for more Chemistry Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Art Integrated Project work for classes 1 to 10

CBSE Board has decided to introduce Art-Integrated Project work for classes I to X to promote Art-Integrated Learning in schools to make teaching learning Competency-Based and joyful. As part of this, at least one Art-Integrated Project in each subject shall be taken...

Checking of Boards Answer sheets starts today

CBSE has instructed almost 3000 schools to start the evaluation work for class 10th and class 12th board exam answer sheets from today. The checking of answer sheets for class 10th and class 12th was stopped earlier due to covid crisis in the country. Now in order to...

Class 12 Board Exams Datesheet Announced

CBSE has announced the datesheet of the remaining class 12 board exams, see below:  

Board Exams Class 10 and Class 12 Datesheet 2020

CBSE has announced the datesheet for the remaining exams of class 10 and class 12 exams. The exams are going to start in July. The class 10 and 12th board exams will be conducted for the remaining 29 papers from July 1 to July 15, 2020, at various centers nominated by...

CBSE Boards Paper Checking to Start

As per the announcement recently released by the Ministry of Home Affairs, at least 3000 CBSE affiliated selected as evaluation centers for board exam answer sheets will be allowed to open for the limited purpose of evaluation purposes only. The answer sheets for Board...

CBSE Board Exams in July Press Release

CBSE has released press note for the dates for the CBSE Board exams for Class 10. CBSE said “With regards to conduct of Class X examinations several queries are being received by the CBSE. In this context, it is once again reiterated that remaining examinations of...

Studies Today