POLYMERS Quiz-6

<

POLYMERS Quiz-6

Dear Readers,

IIT JEE exam which consists of JEE Main and JEE Advanced is one of the most important entrance exams for engineering aspirants. The exam is held for candidates who are aspiring to pursue a career in the field of engineering and technical studies. Chemistry is important because everything you do is chemistry! Even your body is made of chemicals. Chemical reactions occur when you breathe, eat, or just sit there reading. All matter is made of chemicals, so the importance of chemistry is that it's the study of everything..

Q1.The basic unit of neoprene is:  :

•  Chloroprene
•  Isoprene
•  Styrene
•  Butadiene

Solution
option a

Q2.Which one is a synthetic polymer?

•  Starch
•  Silk
•  Protein
•  Neoprene

Solution
option d

Q3.Which of the following is a polyamide? 

•  Teflon
•  Nylon-6,6
•  Bakelite
•  Terylene

Solution
option b

Q4.The abbreviation PDI refers to: 

•  Name of the polymer
•  Polydipersity index of the polymer
•  Application of the polymer
•  Polydiagonal index

Solution
option d

Q5.The weakest interparticle forces are present in:

•  Thermosetting polymers
•  Thermoplastic polymers
•  Fibres
•  Elastomers

Solution
 option d

Q6.Acrilan is a hard material and has high melting point. Which of the following represents its structure? 

•  

  
  

•  

  
  

• 
  

•  

  
  

Solution
option a

Q7.Which of the following is a natural polymer?

•  Bakelite
•  Cellulose
•  PVC
•  Neoprene

Solution
option b

Q8.Which one is not a step polymer?

•  Nylon-6, 6
•  TNylon-6
•  Glyptal
•  PMMA

Solution
option d

Q9.SBR (GRS, Buna-S, Cold Rubber) is obtained by free radical copolymerisation of:

•  Buta-1, 3-dinene (70 %) and 30% phenyl ethene (styrene)
•  Chloroprene and styrene
•  Vinyl acetylene and styrene
•  Isoprene and 1, 3-butadiene

Solution
option a

Q10. Natural rubber is a polymer of: 

•  Styrene
•  Ethyne
•  Butadiene
• Isoprene

Solution
option d