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ANSWERS & SOLUTIONS
1] c
Sol:  
stablilized by “Na” 
2] c
Sol: Poly (methyl methacrylate) is also called Perspex 
3] a
Sol:  Rayon has the ability to absorb water in the fabric while storing approximately 90% of 
its own weight with in the fiber 
4] a
Sol: Bubble gun contains Buna-s 
Sol: 
5] a
Practice Sheet POLYMERS
LEARNERS HABITAT, 97/1, 3rd Floor, Near NCERT Gate No. 01, Adhchini, New Delhi. +91-8510800081/82 
www.learnershabitat.ac.in Page 4
Page 2


ANSWERS & SOLUTIONS
1] c
Sol:  
stablilized by “Na” 
2] c
Sol: Poly (methyl methacrylate) is also called Perspex 
3] a
Sol:  Rayon has the ability to absorb water in the fabric while storing approximately 90% of 
its own weight with in the fiber 
4] a
Sol: Bubble gun contains Buna-s 
Sol: 
5] a
Practice Sheet POLYMERS
LEARNERS HABITAT, 97/1, 3rd Floor, Near NCERT Gate No. 01, Adhchini, New Delhi. +91-8510800081/82 
www.learnershabitat.ac.in Page 4
6] d
Sol: cellulose fibers are of two types, regenerated or pure cellulose such as from the cupro-
ammonium process and modified cellulose such as cellulose acetates 
7] b
Sol:
In the polymers, molecules linked through ester bond 
8] a
Sol: Nylon-6, 6 is used for bristles of tooth brushes 
9] c
Sol: Both Nylon-6.6, Nylon-6 are polyamides, and both have same Empirical formula 
10] c
Sol: Monomers of Terylenes are and
11] b
Sol: Nylon-6.6 is made from Hexa methelen diamine and adipic acid are linked through 
amide linkages. 
12] c
Sol: Monomers of Terylenes are and
Practice Sheet POLYMERS
LEARNERS HABITAT, 97/1, 3rd Floor, Near NCERT Gate No. 01, Adhchini, New Delhi. +91-8510800081/82 
www.learnershabitat.ac.in
 
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FAQs on Question Bank (Solutions): Polymers - Chemistry Class 12 - NEET

1. What are polymers and their importance in the field of chemistry?
Ans. Polymers are large molecules composed of repeating subunits called monomers. They have a wide range of applications in various industries such as plastics, textiles, healthcare, and electronics. Polymers are important in chemistry as they provide a deeper understanding of the structure, properties, and synthesis of complex macromolecules.
2. What are the different types of polymers?
Ans. Polymers can be classified into four main types: addition polymers, condensation polymers, copolymers, and natural polymers. Addition polymers are formed by the addition of monomers with unsaturated bonds, while condensation polymers are formed by the elimination of small molecules during polymerization. Copolymers are made up of two different types of monomers, and natural polymers are derived from natural sources such as proteins, cellulose, and rubber.
3. How are polymers synthesized?
Ans. Polymers can be synthesized through various methods such as addition polymerization, condensation polymerization, and ring-opening polymerization. Addition polymerization involves the reaction of monomers with unsaturated bonds, resulting in the formation of long polymer chains. Condensation polymerization involves the elimination of small molecules (such as water or alcohol) during the polymerization process. Ring-opening polymerization occurs when cyclic monomers are opened to form linear polymers.
4. What are the properties of polymers?
Ans. Polymers exhibit a wide range of properties, including mechanical, thermal, electrical, and chemical properties. These properties depend on factors such as the type of monomers used, the arrangement of the polymer chains, and the presence of additives or fillers. Some common properties of polymers include flexibility, strength, durability, heat resistance, electrical insulation, and chemical resistance.
5. What are the applications of polymers in everyday life?
Ans. Polymers have numerous applications in our daily lives. They are used in the production of various plastic products, such as bottles, containers, and packaging materials. Polymers are also used in textiles, coatings, adhesives, and sealants. In the healthcare industry, polymers are used in medical devices, drug delivery systems, and tissue engineering. Additionally, polymers play a crucial role in the development of electronics, automotive parts, and renewable energy technologies.
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