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Which of the following fiber is of mineral origin ?

  • A.Mohair
  • B.Cashmere
  • C.Asbestos
  • D.Rayon

Answer: C

Asbestos is a fibrous silicate mineral, so it is a fibre of mineral origin. Mohair (from the Angora goat) and cashmere (from the Kashmir goat) are animal fibres, while rayon is a regenerated cellulose fibre made by chemical processing of plant material. Only asbestos is a mineral fibre.

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