WorksheetsPolymers Introduction
Total questions: 15
Worksheet time: 6mins
What type of synthetic polymer is shown in the image?
A. polystyrene
B. teflon
C. polypropylene
D. polyethylene
2. In vulcanized rubber, the polymer strands of isoprene are crossed linked or bridged by short ________ chains.
A. oxygen
B. nitrogen
C. sulfur
D. fluorine
3. If a methyl replaces the hydrogen in ethene, polymerization of this molecule will form which of the following substances?
A. polypropylene
B. polystyrene
C. polyvinyl chloride
D. polytetrafluoroethylene
4. Large organic molecules are called____.
A. polymers
B.carbohydrates
C. micromolecules
D. macromolecules
5. All of the following polymers exhibit asymmetry except for _________________.
A. polypropylene
B. polystyrene
C. polyvinyl chloride
D. polytetrafluoroethylene
6. Atoms or small groups of atoms attached to the long chain polymer is called _________.
A. monomer
B. pendant
C. free radical
D. backbone
7. Which statement about thermoplastic polymers is true? A thermoplastic polymer
A. has the highest level of rigidity of any polymer.
B. cannot be remelted, or reformed once it has hardened.
C. can withstand extremely high temperatures without melting.
D. does not form cross-links, or forms them to a relatively weak degree.
8. An arrangement where all the pendant groups or substituents are on the same side of the polymer chain is called ___________.
A. syndiotactic arrangement
B. atactic arrangement
C. isotactic arrangement
D. asymmetric arrangement
9. Two monomers may be arranged in following ways in a polymer to give different physical properties. All ways are possible except for ___________.
A. Alternating copolymer
B. Block copolymer
C. Chained copolymer
D. Random copolymer
10. An arrangement where the pendant groups or substituents occur randomly is called ____________.
A. syndiotactic arrangement
B. atactic arrangement
C. isotactic arrangement
D. asymmetric arrangement
11. An arrangement where all the pendant groups or substituents alternates from left to right of the carbons is called ____________.
A. syndiotactic arrangement
B. atactic arrangement
C. isotactic arrangement
D. symmetric arrangement
12. If a phenyl replaces the hydrogen in ethene, polymerization of this molecule will form which of the following substances?
A. polypropylene
B. polystyrene
C. polyvinyl chloride
D. polytetrafluoroethylene
13. What are polymers?
A. single molecules
B. molecules packed tightly
C. long chains of many molecules
D. different sizes of molecules grouped together
14. I
14. If chlorine replaces the hydrogen in ethene, polymerization of this molecule will form which of the following substances?
A. polypropylene
B. polystyrene
C. polyvinyl chloride
D. polytetrafluoroethylene
15. If all the hydrogens in ethene is replaced by fluorine, polymerization of this molecule will form which of the following substances?
A. polypropylene
B. polystyrene
C. polyvinyl chloride
D. polytetrafluoroethylene
