Explain why some fibres are called synthetic.
Some fibres are called synthetic because they do not occur naturally and are made by man using petrochemicals.
Synthetic fibres are synthesised from raw material called ______.
Like synthetic fibres, plastic is also a ________.
Synthetic fibres are also called _______ or _____ fibres.
Rayon is different from synthetic fibre because
it has a silk like appearance
it is obtained from wood pulp
its fibres can also be woven like those of natural fibres
