The manufacture of one of the following artificial fibres contributes to deforestation. This fibre is :
(a) nylon (b) rayon (c) terylene (d) acrylic
The synthetic fibre which contains the organic group similar to those which give fruits their 'sweet smell' is :
(a) nylon (b) acrylic (c) terylene (d) rayon
Which of the following is not a synthetic fibre ?
(a) nylon (b) flax (c) acrylic (d) polyester