CBSE Class 12 Chemistry Polymers Worksheet Set B

Read and download free pdf of CBSE Class 12 Chemistry Polymers Worksheet Set B. Download printable Chemistry Class 12 Worksheets in pdf format, CBSE Class 12 Chemistry Unit 15 Polymers Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Chemistry Class 12 Assignments and practice them daily to get better marks in tests and exams for Class 12. Free chapter wise worksheets with answers have been designed by Class 12 teachers as per latest examination pattern

Unit 15 Polymers Chemistry Worksheet for Class 12

Class 12 Chemistry students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Chemistry will be very useful for tests and exams and help you to score better marks

Class 12 Chemistry Unit 15 Polymers Worksheet Pdf

POLYMERS
 
1. How does vulcanization change the property of rubber?
 
2. Explain the term „homopolymerisation‟ giving an example.
 
3. What is PHBV? Give its importance
 
4. Explain the term copolymerization and give two examples.
 
5. Give chemical equations for the preparation of
 
(a) PHBV    (b) Melamine
 
6. Differentiate between molecular structure and behaviours of thermoplastic and thermosetting polymers. Give one example of each type.
 
7. 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 , Polystyrene.
b) Nylon – 6, neoprene and PVC.
c) Polythene, terylene, natural rubber
 
8. Explain the classification of polymers on the basis of structure and give examples.
 
9. Write the free radical mechanism for the polymerisation of ethene.
 
10. Give equations for the synthesis of
Terylene , Polyacrylonitrile, Novolac , Natural rubber , Neoprene ,Teflon ,Polythene, Nylon2-nylon6
 
11. Write the monomer and one use of the following polymer
a) PVC
b) Urea – formaldehyde resin
c) Bakelite
 
12. Differentiate between:
a) Addition and condensation polymers
b) LDPE and HDPE
c) Nylon-6 and Nylon-6,6
d) Homo-polymer and co-polymer.
 
13. Identify the monomers in following polymer:
a) [-NH2-(CH2)6-NH-CO-(CH2)4-CO-]n
b) [-O-CH2-CH2-O-CO-C6H4CO-]n
 
14. a) Describe the term hompolymerization with an example.
b) Give the name and structure of monomer of polypropene.
c) Name one synthetic rubber which is resistant to vegetable and mineral oils along with fire resistant nature.
 
15. Differentiate the following pair of polymers on basis of property mentioned against each other:
a) Novolac and Bakelite (Structure)
b) Terylene and Buna-S (Intermolecular forces)
 
16. a) Identify whether following are addition or condensation polymers:
Teflon, Natural Rubber, Bakelite, Polythene
b) Name the polymer that is used for making nonstickcooking utensils.
 
17. a) What does the designation “6,6” mean in Nylon- 6,6?
b) Give two important uses of nylon-6 polymer
 
18. Identify the aliphatic biodegradable polymer, which is used in packaging and orthopaedic devices. Write its full name, and give structure of monomersandits preparation.
 
19. Name the following polymers, that are:
a) Used in making paints and lacquers
b) Used in conveyor belts.
c) Used for making disposable cups for hot tea or coffee.
 
20. a) Define the term vulcanization
b) Give the role of sulphur in vulcanization of rubber
 
Multiple Choice question:
 
1 The copolymer in the following is
(A) PAN          (B) Teflon   (C) Orlon    (D) Dacron
 
2 The polymer used in non-stick surface coating
(A) Terylene   (B) PAN      (C) Teflon   (D) HDPE
 
3 Which one of the following is not a natural polymer
(A) Protein    (B) Rubber   (C) Rayon   (D) Starch
 
4 Which one of the following is not a linear polymer
(A) PAN        (B) LDPE      (C) HDPE    (D) PHBV
 
5 Pick the odd one in the following
(A) Buna-N   (B) Buna-S    (C) Neoprene    (D) Choloroprene


Please click on below link to download CBSE Class 12 Chemistry Polymers Worksheet Set B

Unit 15 Polymers CBSE Class 12 Chemistry Worksheet

The above practice worksheet for Unit 15 Polymers has been designed as per the current syllabus for Class 12 Chemistry released by CBSE. Students studying in Class 12 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 12 Chemistry on a daily basis. All the latest practice worksheets with solutions have been developed for Chemistry by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 12 Chemistry students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 12 Chemistry to develop the Chemistry Class 12 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 12 Chemistry designed by our teachers. After solving these you should also refer to Class 12 Chemistry MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 12 Chemistry which you can use to further make yourself better in Chemistry.

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