POLYMERS (Important questions )
POLYMERS (Important questions )
1. Write IUPAC name of monomer of Natural ruber?
2. Name one thermosetting & thermoplastic polymers ?
3. What are plasticizers?
4Write name of any one natural polymer?
5. Name one synthetic polymer ?
6. What is TEFLON & give its use ?
7. In Nylon 6,6 ,what does 6,6 means ?
8. Write monomers of
Ø Polythene
Ø Dacron
Ø Teflon
Ø Nylon 6 6
Ø Nylon 6
Ø PHVB
Ø PLA
Ø PAN
Ø Terylene
Ø Nylon 6,10
Ø Nylon 2 ,6
Ø BUNA –S
Ø Buna – N
Ø Melamine Formaldehyde resin
Ø Bakelite
Ø Novolac
9.What is Ziegler Natta catalyst?
10. What is the value of density of LDP & HDP ?
11. What is difference b/w low density and high density polythene?
12. What are Biodegradable polymers? Give examples
13.Why should one always used purist monomer in polymerization reaction ?
14. could a co –polymer is formed in both addition and condensation reactions?
15Which part imparts crystalline nature to a polymer like Nylon?
16. To have a practical applications, why are cross links require in rubber?
17 .How will you prepare PTFE?
18. How can we find accurately molecular mass of a polymer?
19. Define Elastomers ? Give one example.
20. How will you classify polymers on the basis of intermolecular forces?
21. What is the difference b/w Homopolymers & co polymers ?
22. What are the difference b/w thermosetting & thermosetting plastic polymers?
23. Give the preparation of HDP?
24. Write monomers & preparation of Neoprene rubber?
25. Give one difference b/w addition and condensation polymerization?
IMPORTANT NOTE
We glad to start coaching of science & mathematics subjects .We are only one group of tutorials which provide insight knowledge of physics ,chemistry ,biology &mathematics in Raikot (LUDHIANA)
COACHING FOR JEE (main & advance) ,NEET 2015,and ENTRANCE EXAMS OF P.A.U , GADVASU, P.U. starts from 15 march 2015