Classify the following fibres into natural and man-made: cotton, nylon, jute, wool, silk, rayon, polyester?
Natural fibres – Cotton, jute, wool, silk. Man-made fibres – Nylon, rayon, polyester.
The man-made fibre rayon is chemically identical to :
(a) wool (b) silk (c) jute (d) cotton
Arrange the following fibres in the order of increasing strength (keeping the fibre of least strength first) :
Nylon, Cotton , Wool, Polyester, Silk