Vulcanization makes rubber
A) hard.
B) sticky.
C) soft.
D) less elastic.
Correct Answer:
Verified
Q38: The monomer of polypropylene is
A)CH₂ 
Q39: The development of which polymer enabled the
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
Q44: This formula in which n can be
Q45: Plexiglass is
A)polyvinyl chloride.
B)polymethyl methacrylate.
C)polytetrafluoroethylene.
D)polyvinyl acetate.
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.
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