Which of the following is mineral fiber ?
Correct answer: B. asbestos
- A. Teflon
- B. asbestos
- C. saran
- D. acrylic
Explanation
Asbestos is a naturally occurring fibrous silicate mineral and is therefore classified as a mineral fibre. Teflon, saran and acrylic are synthetic polymeric materials. The likely mistake is choosing acrylic because it is used to make fibres, but it is an artificial polymer fibre rather than a mineral fibre.
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About Polymers
Polymers are large molecules made from repeating monomer units joined by covalent bonds. The topic distinguishes addition polymers such as polyethylene, PVC and polystyrene from condensation polymers such as nylon and polyester, and relates chain structure to thermoplastics, thermosetting polymers, elastomers, properties, uses and environmental concerns.
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