Bihar Board - Class 12 - Chemistry - Chapter 15: Polymers Multiple Choice Questions ( MCQs)
The multiple choice questions for Chapter 15: Polymers of Class 12 Chemistry are provided here in English. These questions are based on the NCERT curriculum for Class 12. They are designed to help students assess their understanding of the key concepts covered in the chapter. These multiple choice questions will be useful not only for the Class 12 board exams but also for entrance exams like NEET. The questions for Bihar Board Class 12 Chemistry, Chapter 15: Polymers, have been prepared by expert teachers at Vidyakul.
Multiple Choice Question
1.Which one among the following is a thermosetting plastic?
(a) PVC
(b) PVA
(c) Bakelite
(d) Polypropene
Answer: (c) Bakelite
2. On the basis of mode of can be classified motion, the polymers
(a) As addition polymers only
(b) As condensation polymers only
(c) As copolymers
(d) Both as addition and condensation polymers
Answer: (d) Both as addition and condensation polymers
3. Thermoplastics are:
(a) Linear polymers
(b) Highly cross-linked
(c) Both (a) and (b)
(d) Crystalline
Answer: (a) Linear polymers
4. Which of the following is false:
(a) Artificial silk is derived from cellulose
(b) Nylon-6,6 is an example of an elastomer
(c) The repeat unit in natural rubber is isoprene
(d) Both starch and cellulose are polymers of glucose.
Answer: (b) Nylon-6,6 is an example of an elastomer
5. Which of the following statements about low density polythene is false:
(a) Its synthesis requires high pressure
(b) It is a poor conductor of electricity
(c) Its synthesis requires dioxygen or a peroxide initiator as a catalyst
(d) It is used in the manufacture of buckets, dustbins etc.
Answer: (d) It is used in the manufacture of buckets, dustbins etc.
6. Nylon is an example of:
(a) Polyamide
(b) Polythene
(c) Polyester
(d) Polysaccharide.
Answer:(a) Polyamide
7. Natural rubber has:
(a) Alternate cis- and trans-configuration
(b) Random cis- and /ram-configuration
(c) All cis-configuration
(d) All trans-configuration.
Answer:(c) All cis-configuration
8. Any substance made up of multiple repeating units called polymers is referred to as a polymer.
(a) Mers
(b) Plastic
(c) Resins
(d) Blocks
Answer: (a) Mers
9. Which of the following polymers does not fall within the configuration category?
(a) Cross-linked
(b) Atactic
(c) Syndiotactic
(d) Isotactic
Answer: (a) Cross-linked
10. The inter-particle forces between linear chains in Nylon-66 are
(a) H-bonds
(b) covalent bonds
(c) ionic bonds
(d) unpredictable.
Answer: (a) H-bonds
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