CH-1181
Structure and properties
Chemistry · Secondary 4 · Medium · Structure and properties
Which statement best explains why Kevlar fibres are stronger than polyester fibres?
- Kevlar chains form extensive hydrogen bonds between molecules, giving stronger attraction.
- Kevlar contains only single bonds while polyester contains double bonds.
- Kevlar has weaker intermolecular forces so the chains slide easily.
- Kevlar is made of smaller molecules so it packs less closely.
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