Elastomers are synthetic polymers that mimic the properties of
A) vulcanized rubber.
B) polyethylene.
C) celluloid.
D) PVC.
Correct Answer:
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Q41: Natural rubber can be made from the
Q42: This formula in which n can be
Q43: Vulcanization makes rubber
A)hard.
B)sticky.
C)soft.
D)less elastic.
Q44: This formula in which n can be
Q45: Plexiglass is
A)polyvinyl chloride.
B)polymethyl methacrylate.
C)polytetrafluoroethylene.
D)polyvinyl acetate.
Q47: This formula in which n can be
Q48: A polymer that conducts electricity is
A)polyacetylene.
B)polyethylene.
C)polyvinyl chloride.
D)polystyrene.
Q49: What is Teflon used for?
A)food wrap
B)nonstick cookware
C)bullet-proof
Q50: In the vulcanization of rubber,sulfur
A)is inserted into
Q51: Polyvinyl acetate is used for
A)carpet.
B)chewing gum resin.
C)yarns.
D)floor
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