Plexiglass is
A) polyvinyl chloride.
B) polymethyl methacrylate.
C) polytetrafluoroethylene.
D) polyvinyl acetate.
Correct Answer:
Verified
Q40: HDPE stands for
A)high-density polyethylene.
B)hot-dipped polyethylene.
C)high-dose polyethylene.
D)highly-diffuse polyethylene.
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
Q46: Elastomers are synthetic polymers that mimic the
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
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