14.2Q) Elastomers #2
Authored by Ryan Trott
Chemistry
11th Grade
NGSS covered
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elastomer is known for its versatility and is a synthetic alternative to natural rubber?
Natural Rubber (NR)
Styrene-butadiene Copolymers (SBR)
Acrylonitrile-butadiene Copolymers (NBR)
Isoprene, Synthetic (IR)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elastomer is recognized for its excellent weather resistance?
Polychloroprene (CR)
Butyl Rubber (IIR)
Chlorosulfonated Polyethylene (CSM)
Polyacrylate (ACM)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary benefit of vulcanization in elastomers?
Increases permeability to gases
Improves chemical resistance
Enhances elastomer properties
Reduces oil resistance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elastomer is known for its high resilience?
Polybutadiene (BR)
Natural Rubber (NR)
Polyacrylate (ACM)
Thermoplastic Elastomers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect do higher sulfur levels have on elastomers?
Decrease bondability
Increase bondability
Reduce chemical resistance
Lower heat resistance
Tags
NGSS.HS-PS2-6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elastomer is particularly resistant to oil and fuels?
Styrene-butadiene Copolymers (SBR)
Acrylonitrile-butadiene Copolymers (NBR)
Butyl Rubber (IIR)
Isoprene, Synthetic (IR)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of accelerators in the vulcanization process?
Slow down the process
Speed up the process
Increase gas permeability
Decrease oil resistance
Tags
NGSS.HS-PS1-5
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