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12th Chemistry chapter 15 Bihar board with NCERT-Details & Highlights
| name of content | 12th Chemistry chapter 15 full solution |
| content | Chemistry objective type MCQ question with answer |
| name of subjects | class 12 Chemistry |
| important for exam | Bihar board & other state board |
| pattern & Level | NCERT & State level question |
12th Chemistry chapter 15 all objective solutions – download PDF
1. Caprolactam is the monomer of which of the following?
-
- ( A ) Nylon 6
- ( B ) Nylon-6,6
- (C) Nylon 2 – Nylon 6
- (D) Terylene
Answer: (A) Nylon 6
2. Which of the following is a biodegradable polymer?
-
- (A) Cellulose
- (B) Polythene
- (C) Polyvinyl Chloride
- ( D ) Nylon-6,6
Answer: (B) Polyethylene
3. Natural rubber is a polymer of
-
- (A) trans-isoprene
- (B) cis-isoprene
- (C) co-cis and trans isoprene
- (D) none of these
Answer: (B) Cis-isoprene
4. Natural rubber is a polymer of
-
- (A) Styrene
- (B) Isoprene
- (C) Chloroprene
- (D) Butadiene
Answer: (B) Isoprene
5. Have starch
-
- (A) Natural Biopolymers
- (B) Natural polymer
- (C) Sucrose
- (D) none of these
Answer: (A) Natural Biopolymers
6. Which of the following is not a synthetic rubber?
-
- (A) Neoprene
- ( B ) SBR
- (C) Thiakol
- (D) Orlon
Answer: (D) Orlon
7. CF , 3 CF is the monomer of
-
- (A) Teflon
- ( B ) PVC
- (C) Orlan
- (D) Buena- S
Answer: (A) Teflon
Which of the following is not a step growth polymer?
-
- (A) Polybutadiene
- ( B ) Nylon-6,6
- (C) Glyptal
- (D) Terlene
Answer: (A) Polybutadine
9. Which statement is not correct regarding Terylene?
-
- (A) Thermosetting plastic
- (B) step growth polymer
- (C) synthetic fiber
- (D) condensation polymer
Answer: (B) Step growth polymer
Bhar Board most mcq solution 12th chemistry chapter 15
10. Which of the following is a chain growth polymer?
-
- (A) nucleic acid
- (B) Polystyrene
- (C) Protein
- (D) Starch
Answer: (B) Polystyrene
11. Which of the following is a biodegradable polymer?
-
- (A) Cellulose
- (B) Polystyrene
- ( C ) PVC
- (D) Nylon-6
Answer: (A) Cellulose
12. What is nylon thread made of?
-
- (A) polyethylene polymer
- ( B ) PVC polymer
- (C) Polyester polymer
- (D) Polyamide polymer
Answer: (D) Polyamide polymer
13. Which of the following is used in paint?
-
- (A) Terlene
- (B) nylon
- (C) Glyptal
- (D) Chloroprene
Ans: (C) Throat
14. Which of the following is not a polymer?
-
- (A) Starch
- (B) Sucrose
- (C) Enzyme
- (D) Teflon
Answer: (C) Enzyme
15. Which of the following is not a monodisperse polymer?
-
- (A) Protein
- (B) nucleus
- (C) Acid
- ( D ) PVC
Answer: (D) PVC
16. To improve the quality of natural rubber, it is heated with
-
- (A) 3 or 4% sulfur
- (B) Chlorine
- (C) SO2
- (D) NH3
Answer: (A) 3 or 4% Sulfur
17. Plasticizer is inserted in the plastic
-
- (A) to soften
- (B) to harden
- (C) to increase the tensile strength
- (D) none of these
Answer: (A) To soften
18. Which of the following is not a natural biopolymer?
-
- (A) Natural Rubber
- (B) DNA
- (C) Starch
- (D) Cellulose
Answer: (A) Natural Rubber
19. Which of the following thread is more beneficial in operation?
-
- (A) Rayon
- (B) Cotton
- (C) Plastic
- (D) Nylon
Answer: (A) Rayon
BSEB 12th chemistry most important mcq notes
20. The correct order of non-molecular forces in the following polymers is (1) Vyuna-S, (II) Nylon-66 and (III) Polyethene
-
- ( A ) 1 > II > III
- ( B ) II > III >
- ( C ) I > III > II
- ( D ) III > II > I
Answer : ( B ) II > III >
21. Starch is obtained by hydrolysis
-
- (A) Glucose
- (B) Dractose
- (C) Ammonia
- (D) Sucrose
Answer: (A) Glucose
22. Peptide hydrolyzes?
-
- (A) amino acid
- (B) Retinol
- (C) Ammonia
- (D) Alcohol
Answer: (A) Amino Acid
23. Which of the following is an example of Jwyter ion?
-
- (A) Urea
- (B) Glycine hydrochloride
- (C) ammonia acetate
- (D) a-alanine
Answer: (D) a-alanine
24. Which of the following fibers is made of polyamide
-
- (A) PVC
- (B) Arlan
- (C) nylon
- (D) Ryan
Answer: (C) Nylon
25. In which of the following ester bond is found?
-
- (A) Nylon
- (B) Bakelite
- (C) Ritalin
- ( D ) PVC
Answer: (C) Ritalin
26. F , C 3 CF is the monomer of?
-
- (A) Teflon
- (B) Glyptal
- (C) Nylon-6
- (D) Buna-5
Answer: (A) Teflon
27. Is a broad spectrum antibiotic
-
- (A) Paracetamol
- (B) Penicillin
- (C) aspirin
- (D) Chloramphenicol
Answer: (D) Chloramphenicol
28. Which of the following types of medicines reduce fever?
-
- (A) Painkillers
- (B) antipyretic
- (C) Antibiotic
- (D) flushing
Answer: (B) Antipyretic
29. saccharin is
-
- (A) Artificial sweeteners
- (B) natural sweetener
- (C) Enzyme
- (D) none of these
Ans: (A) Artificial sweetener
Important mcq solution 12th chemistry chapter 15
30. BHC is
-
- (A) Weed killer
- (B) Pesticides
- (C) aromatizing agent
- (D) none of these
Answer: (B) Insecticides
31. Example of copolymer is
-
- (A) Nylon 6
- (B) Nylon 6,6
- (C) PMMA
- (D) Polythene
Answer : ( B ) Nylon 6,6
32. The product of condensation polymerization is
-
- (A) Polythene
- ( B ) PVC
- (C) Teplon
- ( D ) Nylon 6,6
Answer: (D) Nylon 6,6
33. Natural rubber polymer is
-
- (A) ethylene (ethene)
- (B) benzene
- (C) Isoprene
- (D) none of these
Answer: (C) Isoprene
34. Teflon, polystyrene and neoprene are all
-
- (A) co-polymer
- (B) condensation polymer
- (C) isopolymer
- (D) monomer
Answer: (C) Even mode
35. Which of the following polymers has an amide bond?
-
- (A) Nylon-6,6
- (B) Terylene
- (C) Teflon
- (D) Bakelite
Answer: (A) Nylon-6,6
36. Phenol is used in the manufacture of which of the following?
-
- (A) Bakelite
- (B) Polystyrene
- (C) Nylon
- (D) PVC
Answer: (A) Bakelite
37. Natural rubber is a polymer of
-
- (A) Styrene
- (B) Isoprene
- (C) Chloroprene
- (D) Butadiene
Answer: (B) Isoprene
38. Orlon is a polymer
-
- (A) of tetrafluoroethylene
- (B) of acrylonitrile
- (C) ethanoic acid
- (D) benzene
Answer: (B) of acrylonitrile
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Bihar board 12th Chemistry chapter 15 complete objective
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Bihar board 12th science stream subjects wise solution
click here to check out Bihar board science stream all subjects solutions
| SL.N. | Subject name with solutions |
| 01 | Physics |
| 02 | Chemistry |
| 03 | Biology |
| 04 | Math |
| 05 | Hindi |
| 06 | English |
