Question 1: Classify the following fibres as natural or synthetic:
nylon, wool, cotton, silk, polyester, jute
Answer:
Natural fibres: Wool, Cotton, Silk, Jute.
Wool: We obtain wool from sheep and other animals. A fibre that is obtained from the animals are called natural fibres. Cotton: We obtain cotton from the cotton plants. Cotton is a soft fibre that grows in a ball. As we obtain it from the plants; is a natural fibre. Silk: We obtain silk from the silkworm. The best silk is obtained from the cocoon. So we can say that it is a natural fibre. Jute: Jute is obtained from the stem of the jute plant. That is why it is also a natural fibre.
Synthetic fibres: Nylon, Polyester
Nylon: It is man- made fibre. It is a thermoplastic silky material generally used for making rope and thread. Polyester: It is the derived form of coal, petroleum and water that’s why it is called synthetic fibre.
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