POLYMERS Quiz-8
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 PDI (polydispersity index) is the radio of weight to number-average molecular masses (M¯w/M¯n). In natural polymers, which are generally monodispersed, PDI is.......and is synthetic polymers which are always polydispersed, PDI is........ because M¯w is always ......... than M¯n :
Solution
option b
option b
Q2.A polymer of prop-2-enenitrile is called:
Solution
option a
option a
Q3.Soft drink and baby-feeding bottles are generally made of:
Solution
option d
option d
Q4.The chemical name of melamine is:
Solution
option c
option c
Q5.Terylene is a condensation polymer of ethylene glycol and
Solution
option d
option d
Q6.Nylon threads are made of:
Solution
option d
option d
Q7.One would come across the terms isotactic, syndiotactic, and atactic in connection with the chemistry of:
Solution
option a
option a
Q8. GRA is a copolymer of:
Solution
option a
option a
Q9.The interparticle forces between linear chains in Nylon-6, 6 are:
Solution
option a
option a
Q10. Isotactic polypropylene polymer is one in which:
Solution
option c
option c
