Question

A fibre is strong flexible thread like material used to make fabrics, fibres are also used to make several household items. Natural fibres- those fibres which can be obtained from plants and animals. Ex- wool (animal-sheep), cotton (plant), jute from jute plant, silk (insect-silk moth)-cocoons of silkworms produce silk fibres. Synthetic fibres – these are fibres obtained through different chemical processes in the industries so known as human made or artificial. Ex- Nylon, rayon, polyester etc.
i. Name the plastic used to make electrical switches.
ii. Find the odd one and give the reason as well:
Cotton, Jute, Nylon, linen
iii. What is 5-R principle?
iv. Give any two examples of thermoplastics.
v. Name the monomer of cellulose

Answer 1

Explanation:

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