12th class (Fsc) Chemistry unit 14 MCQs
chapter 14 MCQs 12th Class Chemistry
Macromolecules:
1. Teflon. polystyrene and neoprene are all:
a. Homopolymers
b. Copolymers
c. Condensation polymers
d. Monomers
2. Polymers of chloroethylene is:
a. Teflon
b. Terylene
c. Nylon
d. PVC
3. Which one of the following is an addtion polymer?
a. Terylene
b. Epoxy resin
c. Nylon 6,6
d. Polystyrene
4. Which one of the following pairs has same type-of linkage between their structural units?
a. Proteins and nylon
b. PVC and bakelite
c. Protein and PVC
d. Nylon and polyethylene
5. The wordpolymer derived from:
a. Latin
b. British
c. English
d. Greek
6. On the basis of structure. polymers have hoe many types?
a. Three
b. Two
c. Four
d. None of these
7. On the basis or thermal property, polymers have how many types:
a. Three
b. Two
c. Four
d. None of these
8. If molecular mass of repeating unit of a polymer is 63 and DP is 1000 then mol, mas of polymer is:
a. 1063
b. 63000
c. 6300
d. 937
9. Polymer formed by polymerization if three monomers is:
a. Copolymer
b. Terpolymer
c. Homopolymer
d. None
10. Vinyl acetate reacts with butyl maleate to form a polymer:
a. Copolymer
b. Terpolymer
c. None
d. Homopolymer
11. Which is a sythetic polymer?
a. Cellulose
b. Animal fat
c. Polyester
d. Starch
12. A polymeric substance that is fromed in the liquid state and then handed to a rigid solid is called a:
a. Varnish
b. Fiber
c. Polyamide
d. Plastic
13. The widely used PVC is a polymerized product of:
a. CH2 -CCI2
b. CH2 =CH2
c. CH2 =CHCI
d. CH2CI-CH2 CI
14. Which one of the following is a product of addition polymerization reaction?
a. Nylone
b. PVC
c. Polyamide
d. Terylene
15. Which one of the following is used to make nonstick cookware?
a. Polystyrene
b. PVC
c. Teflone
d. Polyethyllene
16. Dacron is an example os:
a. Polypropylene
b. polyamine
c. Polyester
d. Polyethylene
17. Orlon has a unit:
a. Acrylic acid
b. Isoprene
c. Glycol
d. None of these
18. Which one of the following is an addition polymer?
a. Polyester resin
b. Nylon 6.6
c. Polyvinyl chloride
d. Epoxy resins
19. Polymer used in making grampphone recorders is:
a. Polystyrene
b. PVC
c. PVA
d. None
20. Fructose has how many number of C-atom?
a. Seven
b. Five
c. Four
d. Six
21. Sucrose is a disccharide of:
a. Galactose
b. Glucose
c. Mannose
d. All of these
22. When 2,9-monosaccharide unites combine by the loss of H2O molecule, they result in the formation of:
a. Polysacchrides
b. Monodacchride
c. Oligasacchrides
d. Disaccharides
23. The general formula of polysaccharide is:
a. (C6 H12 O6 )n
b. (C6 H10 O5 )n
c. (C6 H11 O6 )n
d. None of these
24. Plants store glucose as:
a. Galactose
b. Glycogen
c. Manose
d. Starch
25. Animal store glucose as:
a. Galactose
b. Glycogen
c. Manose
d. Starch